diff --git a/01_introduction_to_algorithms/ruby/01_binary_search.rb b/01_introduction_to_algorithms/ruby/01_binary_search.rb
index 33762ad..7e873bb 100644
--- a/01_introduction_to_algorithms/ruby/01_binary_search.rb
+++ b/01_introduction_to_algorithms/ruby/01_binary_search.rb
@@ -14,7 +14,7 @@ def binary_search(list, item)
       low = mid + 1
     end
   end
-  
+
   return nil
 end