diff --git a/app/models/version.rb b/app/models/version.rb
index 02061c548..b80f0f2d1 100644
--- a/app/models/version.rb
+++ b/app/models/version.rb
@@ -256,7 +256,7 @@ class Version < ActiveRecord::Base
 
   # Returns the average estimated time of assigned issues
   # or 1 if no issue has an estimated time
-  # Used to weigth unestimated issues in progress calculation
+  # Used to weight unestimated issues in progress calculation
   def estimated_average
     if @estimated_average.nil?
       average = fixed_issues.average(:estimated_hours).to_f