diff --git a/test/rdoc/rdoc_generator_darkfish_test.rb b/test/rdoc/rdoc_generator_darkfish_test.rb
index 67715951ec..52ae0601d3 100644
--- a/test/rdoc/rdoc_generator_darkfish_test.rb
+++ b/test/rdoc/rdoc_generator_darkfish_test.rb
@@ -469,7 +469,8 @@ def test_meta_tags_for_markdown_files_paragraph
     top_level.comment = <<~MARKDOWN
       # Distributed Ruby: dRuby
 
-      dRuby is a distributed object system for Ruby.  It allows an object.
+      dRuby is a distributed object system for Ruby.  It allows an object in one
+      Ruby process to invoke methods on an object in another Ruby process.
     MARKDOWN
 
     @g.generate
@@ -480,7 +481,7 @@ def test_meta_tags_for_markdown_files_paragraph
       "<meta name=\"description\" content=\"" \
       "README: dRuby " \
       "dRuby is a distributed object system for Ruby. " \
-      "It allows an object."
+      "It allows an object in one Ruby process to invoke methods on an object"
     )
   end