diff --git a/guix/import/utils.scm b/guix/import/utils.scm
index 09a01cf315..45fed93134 100644
--- a/guix/import/utils.scm
+++ b/guix/import/utils.scm
@@ -370,6 +370,15 @@ (define* (beautify-description description #:optional (length 80))
              (cons* "This" "package"
                     (string-downcase first) rest))
             (_ words)))
+         (new-words
+           (match new-words
+             ((rest ... last)
+              (reverse (cons (if (or (string-suffix? "." last)
+                                     (string-suffix? "!" last)
+                                     (string-suffix? "?" last))
+                               last
+                               (string-append last "."))
+                             (reverse rest))))))
          (cleaned
           (string-join (map fix-word new-words))))
     ;; Use double spacing between sentences
diff --git a/tests/crate.scm b/tests/crate.scm
index 8b5bbc1b03..5b4ad08c3c 100644
--- a/tests/crate.scm
+++ b/tests/crate.scm
@@ -503,7 +503,7 @@ (define have-guile-semver?
                          (("rust-leaf-alice" ('unquote 'rust-leaf-alice-0.7))))))
                       (home-page "http://example.com")
                       (synopsis "summary")
-                      (description "This package provides summary")
+                      (description "This package provides summary.")
                       (license (list license:expat license:asl2.0))))
 
            (string=? test-source-hash hash))
@@ -592,7 +592,7 @@ (define have-guile-semver?
                  ('quasiquote (#:skip-build? #t)))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-leaf-alice-0.7
               (package
@@ -611,7 +611,7 @@ (define have-guile-semver?
                 (arguments ('quasiquote (#:skip-build? #t)))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-leaf-bob-3
               (package
@@ -630,7 +630,7 @@ (define have-guile-semver?
                 (arguments ('quasiquote (#:skip-build? #t)))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-intermediate-b-1
               (package
@@ -653,7 +653,7 @@ (define have-guile-semver?
                                  ('unquote rust-leaf-bob-3))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-intermediate-a-1
               (package
@@ -680,7 +680,7 @@ (define have-guile-semver?
                                  ('unquote rust-leaf-bob-3))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-root-1
               (package
@@ -711,7 +711,7 @@ (define have-guile-semver?
                                  ('unquote rust-intermediate-c-1))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0)))))
            #t)
           (x
@@ -740,7 +740,7 @@ (define have-guile-semver?
                                  ('unquote rust-leaf-alice-0.7))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-leaf-alice-0.7
               (package
@@ -758,7 +758,7 @@ (define have-guile-semver?
                 (build-system cargo-build-system)
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-leaf-bob-3
               (package
@@ -776,7 +776,7 @@ (define have-guile-semver?
                 (build-system cargo-build-system)
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-intermediate-b-1
               (package
@@ -798,7 +798,7 @@ (define have-guile-semver?
                                  ('unquote rust-leaf-bob-3))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-intermediate-a-1
               (package
@@ -824,7 +824,7 @@ (define have-guile-semver?
                                  ('unquote rust-leaf-bob-3))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-root-1
               (package
@@ -855,7 +855,7 @@ (define have-guile-semver?
                                  ('unquote rust-intermediate-c-1))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0)))))
            #t)
           (x
@@ -972,7 +972,7 @@ (define rust-leaf-bob-3.0.2-yanked
                              ('unquote 'rust-leaf-bob-4.0.0-yanked))))))
             (home-page "http://example.com")
             (synopsis "summary")
-            (description "This package provides summary")
+            (description "This package provides summary.")
             (license (list license:expat license:asl2.0)))))
        #t)
       (x
@@ -1038,7 +1038,7 @@ (define rust-leaf-bob-3.0.2-yanked
                 (build-system cargo-build-system)
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-leaf-bob-3.0.2-yanked
               (package
@@ -1058,7 +1058,7 @@ (define rust-leaf-bob-3.0.2-yanked
                 (build-system cargo-build-system)
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-leaf-bob-3
               (package
@@ -1076,7 +1076,7 @@ (define rust-leaf-bob-3.0.2-yanked
                 (build-system cargo-build-system)
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0))))
             (define-public 'rust-bar-1
               (package
@@ -1103,7 +1103,7 @@ (define rust-leaf-bob-3.0.2-yanked
                                  ('unquote 'rust-leaf-bob-4.0.0-yanked))))))
                 (home-page "http://example.com")
                 (synopsis "summary")
-                (description "This package provides summary")
+                (description "This package provides summary.")
                 (license (list license:expat license:asl2.0)))))
             #t)
           (x
diff --git a/tests/elm.scm b/tests/elm.scm
index c30623da03..48d3eb4b01 100644
--- a/tests/elm.scm
+++ b/tests/elm.scm
@@ -257,7 +257,7 @@ (define (directory-sha256 directory)
                  "https://package.elm-lang.org/packages/elm-guix/demo/3.0.0")
                 (synopsis "A test for `(guix import elm)`")
                 (description
-                 "This package provides a test for `(guix import elm)`")
+                 "This package provides a test for `(guix import elm)`.")
                 (properties '((upstream-name . "elm-guix/demo")))
                 (license license:gpl3+)))
             (equal? (directory-sha256 elm-guix-demo-dir)
diff --git a/tests/gem.scm b/tests/gem.scm
index 7e2436e3fb..dae29437e5 100644
--- a/tests/gem.scm
+++ b/tests/gem.scm
@@ -117,7 +117,7 @@ (define test-bundler-json
           (build-system ruby-build-system)
           (propagated-inputs (list bundler ruby-bar))
           (synopsis "A cool gem")
-          (description "This package provides a cool gem")
+          (description "This package provides a cool gem.")
           (home-page "https://example.com")
           (license (list license:expat license:asl2.0)))
        #t)
@@ -146,7 +146,7 @@ (define test-bundler-json
           (build-system ruby-build-system)
           (propagated-inputs (list bundler ruby-bar))
           (synopsis "A cool gem")
-          (description "This package provides a cool gem")
+          (description "This package provides a cool gem.")
           (home-page "https://example.com")
           (license (list license:expat license:asl2.0)))
        #t)
@@ -182,7 +182,7 @@ (define test-bundler-json
                (build-system ruby-build-system)
                (propagated-inputs (list bundler))
                (synopsis "Another cool gem")
-               (description "Another cool gem")
+               (description "Another cool gem.")
                (home-page "https://example.com")
                (license #f))                      ;no licensing info
              (package
@@ -198,7 +198,7 @@ (define test-bundler-json
                (build-system ruby-build-system)
                (propagated-inputs (list bundler ruby-bar))
                (synopsis "A cool gem")
-               (description "This package provides a cool gem")
+               (description "This package provides a cool gem.")
                (home-page "https://example.com")
                (license (list license:expat license:asl2.0))))
            #t)
@@ -234,7 +234,7 @@ (define test-bundler-json
                (build-system ruby-build-system)
                (propagated-inputs (list bundler))
                (synopsis "Another cool gem")
-               (description "Another cool gem")
+               (description "Another cool gem.")
                (home-page "https://example.com")
                (license #f))                      ;no licensing info
              (package
@@ -250,7 +250,7 @@ (define test-bundler-json
                (build-system ruby-build-system)
                (propagated-inputs (list bundler ruby-bar))
                (synopsis "A cool gem")
-               (description "This package provides a cool gem")
+               (description "This package provides a cool gem.")
                (home-page "https://example.com")
                (license (list license:expat license:asl2.0))))
            #t)
diff --git a/tests/hexpm.scm b/tests/hexpm.scm
index 5df9af0ca6..1e746f9b34 100644
--- a/tests/hexpm.scm
+++ b/tests/hexpm.scm
@@ -152,7 +152,7 @@ (define test-fasel-release
           (build-system rebar-build-system)
           (inputs (list erlang-blubb erlang-fasel))
           (synopsis "A cool package")
-          (description "This package provides a cool package")
+          (description "This package provides a cool package.")
           (home-page "https://hex.pm/packages/bla")
           (license (list license:expat license:asl2.0)))
        #t)
@@ -212,7 +212,7 @@ (define test-fasel-release
                (build-system mix-build-system)
                (inputs (list erlang-fasel))
                (synopsis "Another cool package")
-               (description "Another cool package")
+               (description "Another cool package.")
                (home-page "https://hex.pm/packages/blubb")
                (license license:expat))
              (package
@@ -227,7 +227,7 @@ (define test-fasel-release
                     "1k6d70mxwqgq78jrbr7yqnw187yki74jnagybi7nacrj4a67qjha"))))
                (build-system gnu-build-system)
                (synopsis "Yet another cool package")
-               (description "Yet another cool package")
+               (description "Yet another cool package.")
                (home-page "https://hex.pm/packages/fasel")
                (license "GPL"))
              (package
@@ -243,7 +243,7 @@ (define test-fasel-release
                (build-system rebar-build-system)
                (inputs (list erlang-blubb erlang-fasel))
                (synopsis "A cool package")
-               (description "This package provides a cool package")
+               (description "This package provides a cool package.")
                (home-page "https://hex.pm/packages/bla")
                (license (list license:expat license:asl2.0))))
            #t)
diff --git a/tests/minetest.scm b/tests/minetest.scm
index 78469bf95b..bf1313ee22 100644
--- a/tests/minetest.scm
+++ b/tests/minetest.scm
@@ -48,7 +48,7 @@ (define* (make-package-sexp #:key
                             (home-page "https://example.org/foo")
                             (repo "https://example.org/foo.git")
                             (synopsis "synopsis")
-                            (guix-description "description")
+                            (guix-description "description.")
                             (guix-license
                              '(list license:cc-by-sa4.0 license:lgpl3+))
                             (inputs '())
diff --git a/tests/pypi.scm b/tests/pypi.scm
index 42b39cde73..c9aee34d8b 100644
--- a/tests/pypi.scm
+++ b/tests/pypi.scm
@@ -315,7 +315,7 @@ (define-syntax-rule (with-pypi responses body ...)
             (native-inputs (list python-pytest))
             (home-page "http://example.com")
             (synopsis "summary")
-            (description "summary")
+            (description "summary.")
             (license license:lgpl2.0))
          (and (string=? default-sha256/base32 hash)
               (equal? (pypi->guix-package "foo" #:version "1.0.0")
@@ -356,7 +356,7 @@ (define-syntax-rule (with-pypi responses body ...)
             (native-inputs (list python-pytest))
             (home-page "http://example.com")
             (synopsis "summary")
-            (description "summary")
+            (description "summary.")
             (license license:lgpl2.0))
          (string=? default-sha256/base32 hash))
         (x
@@ -384,7 +384,7 @@ (define-syntax-rule (with-pypi responses body ...)
             (build-system pyproject-build-system)
             (home-page "http://example.com")
             (synopsis "summary")
-            (description "summary")
+            (description "summary.")
             (license license:lgpl2.0))
          (string=? default-sha256/base32 hash))
         (x
@@ -414,7 +414,7 @@ (define-syntax-rule (with-pypi responses body ...)
             (native-inputs (list python-pytest))
             (home-page "http://example.com")
             (synopsis "summary")
-            (description "summary")
+            (description "summary.")
             (license license:lgpl2.0))
          (string=? default-sha256/base32 hash))
         (x
