diff --git a/cli/ruby-debug/commands/control.rb b/cli/ruby-debug/commands/control.rb
index 78e11b5..31d6598 100644
--- a/cli/ruby-debug/commands/control.rb
+++ b/cli/ruby-debug/commands/control.rb
@@ -68,7 +68,7 @@ def help_command
       def help(cmd)
         %{
           restart|R [args] 
-          Restart the program. This is is a re-exec - all debugger state
+          Restart the program. This is a re-exec - all debugger state
           is lost. If command arguments are passed those are used.
         }
       end
diff --git a/doc/ruby-debug.texi b/doc/ruby-debug.texi
index 61d468f..5509e99 100644
--- a/doc/ruby-debug.texi
+++ b/doc/ruby-debug.texi
@@ -1633,7 +1633,7 @@ questions asked, enter the ``unconditionally''.
 @item restart
 @itemx R 
 
-Restart the program. This is is a re-exec - all debugger state is
+Restart the program. This is a re-exec - all debugger state is
 lost. If command arguments are passed those are used. Otherwise the
 last program arguments used in the last invocation are used.