diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb
index 3c0cf9f137..9b3cfd18e2 100644
--- a/activesupport/lib/active_support/multibyte/chars.rb
+++ b/activesupport/lib/active_support/multibyte/chars.rb
@@ -86,7 +86,7 @@ module ActiveSupport #:nodoc:
         @wrapped_string.split(*args).map { |i| self.class.new(i) }
       end
 
-      # Works like like <tt>String#slice!</tt>, but returns an instance of
+      # Works like <tt>String#slice!</tt>, but returns an instance of
       # Chars, or nil if the string was not modified.
       def slice!(*args)
         chars(@wrapped_string.slice!(*args))