diff --git a/Library/Homebrew/manpages.rb b/Library/Homebrew/manpages.rb
index 9b222573ac..aa3bdab7bd 100644
--- a/Library/Homebrew/manpages.rb
+++ b/Library/Homebrew/manpages.rb
@@ -93,7 +93,7 @@ module Homebrew
         odie "Got no output from ronn!" if ronn_output.blank?
         ronn_output = case format_flag
         when "--markdown"
-          onn_output.gsub(%r{<var>(.*?)</var>}, "*`\\1`*")
+          ronn_output.gsub(%r{<var>(.*?)</var>}, "*`\\1`*")
                     .gsub(/\n\n\n+/, "\n\n")
                     .gsub(/^(- `[^`]+`):/, "\\1") # drop trailing colons from definition lists
                     .gsub(/(?<=\n\n)([\[`].+):\n/, "\\1\n<br>") # replace colons with <br> on subcommands