diff --git a/tests/data/gem.md b/tests/data/gem.md
index 44380f5..b948f30 100644
--- a/tests/data/gem.md
+++ b/tests/data/gem.md
@@ -1,6 +1,7 @@
 # gem
 
 > Interact with the package manager for the Ruby programming language.
+> More information: <https://rubygems.org>.
 
 - Install latest version of a gem
 
diff --git a/tests/data/gem_rendered b/tests/data/gem_rendered
index 45d8dc0..a422885 100644
--- a/tests/data/gem_rendered
+++ b/tests/data/gem_rendered
@@ -2,6 +2,7 @@
   gem
 
   Interact with the package manager for the Ruby programming language.
+  More information: https://rubygems.org.
 
   - Install latest version of a gem
     gem install gemname