diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 32de25025..0ac5d787c 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -244,12 +244,6 @@ Layout/IndentationConsistency:
 Layout/IndentationWidth:
   Enabled: false
 
-# Cop supports --auto-correct.
-# Configuration parameters: AllowDoxygenCommentStyle.
-Layout/LeadingCommentSpace:
-  Exclude:
-    - 'lib/diff.rb'
-
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: symmetrical, new_line, same_line
diff --git a/lib/diff.rb b/lib/diff.rb
index 43ecb7397..5c6eb4380 100644
--- a/lib/diff.rb
+++ b/lib/diff.rb
@@ -190,10 +190,10 @@ module Diffable
     end
 
     self[low] = value
-    # $stderr << "replace #{value} : 0/#{low}/#{init_high} (#{steps} steps) (#{init_high-low} off )\n"
-    # $stderr.puts self.inspect
-    #gets
-    #p length - low
+    #  $stderr << "replace #{value} : 0/#{low}/#{init_high} (#{steps} steps) (#{init_high-low} off )\n"
+    #  $stderr.puts self.inspect
+    # gets
+    # p length - low
     return low
   end