diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 8377bbf77b..cde014b2f6 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1096,38 +1096,38 @@ (define-public ruby-slim
 
 (define-public ruby-asciidoctor
   (package
-  (name "ruby-asciidoctor")
-  (version "1.5.7.1")
-  (source
-    (origin
-      (method url-fetch)
-      (uri (rubygems-uri "asciidoctor" version))
-      (sha256
+    (name "ruby-asciidoctor")
+    (version "1.5.7.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "asciidoctor" version))
+       (sha256
         (base32
-          "0v52bzc72cvg7zfgq27pa4mgyf29dx9m20fghrw1xmvwgd519n1w"))))
-  (build-system ruby-build-system)
-  (arguments
-   `(#:test-target "test:all"
-     #:phases
-     (modify-phases %standard-phases
-       (add-before 'check 'remove-circular-tests
-         (lambda _
-           ;; Remove tests that require circular dependencies to load or pass.
-           (delete-file "test/invoker_test.rb")
-           (delete-file "test/converter_test.rb")
-           (delete-file "test/options_test.rb")
-           #t)))))
-  (native-inputs
-   `(("ruby-minitest" ,ruby-minitest)
-     ("ruby-nokogiri" ,ruby-nokogiri)
-     ("ruby-asciimath" ,ruby-asciimath)
-     ("ruby-coderay" ,ruby-coderay)))
-  (synopsis "Converter from AsciiDoc content to other formats")
-  (description
-    "Asciidoctor is a text processor and publishing toolchain for converting
-AsciiDoc content to HTML5, DocBook 5 (or 4.5), PDF, and other formats.")
-  (home-page "https://asciidoctor.org")
-  (license license:expat)))
+         "0v52bzc72cvg7zfgq27pa4mgyf29dx9m20fghrw1xmvwgd519n1w"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:test-target "test:all"
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'remove-circular-tests
+           (lambda _
+             ;; Remove tests that require circular dependencies to load or pass.
+             (delete-file "test/invoker_test.rb")
+             (delete-file "test/converter_test.rb")
+             (delete-file "test/options_test.rb")
+             #t)))))
+    (native-inputs
+     `(("ruby-minitest" ,ruby-minitest)
+       ("ruby-nokogiri" ,ruby-nokogiri)
+       ("ruby-asciimath" ,ruby-asciimath)
+       ("ruby-coderay" ,ruby-coderay)))
+    (synopsis "Converter from AsciiDoc content to other formats")
+    (description "Asciidoctor is a text processor and publishing toolchain for
+converting AsciiDoc content to HTML5, DocBook 5 (or 4.5), PDF, and other
+formats.")
+    (home-page "https://asciidoctor.org")
+    (license license:expat)))
 
 (define-public ruby-ast
   (package