added --yeah as an alternative arg to -y and --yes; updated README.md
diff --git a/README.md b/README.md
index 5bf72e018..d3591a6ae 100644
--- a/README.md
+++ b/README.md
@@ -146,10 +146,10 @@ eval $(thefuck --alias FUCK)
 Changes are only available in a new shell session. To make changes immediately
 available, run `source ~/.bashrc` (or your shell config file like `.zshrc`).
 
-To run fixed commands without confirmation, use the `-y` option:
+To run fixed commands without confirmation, use the `--yeah` option (or just `-y` for short):
 
 ```bash
-fuck -y
+fuck --yeah
 ```
 
 To fix commands recursively until succeeding, use the `-r` option:
diff --git a/thefuck/argument_parser.py b/thefuck/argument_parser.py
index 8e79fc0a2..b7b97837d 100644
--- a/thefuck/argument_parser.py
+++ b/thefuck/argument_parser.py
@@ -55,7 +55,7 @@ def _add_conflicting_arguments(self):
         """It's too dangerous to use `-y` and `-r` together."""
         group = self._parser.add_mutually_exclusive_group()
         group.add_argument(
-            '-y', '--yes',
+            '-y', '--yes', '--yeah',
             action='store_true',
             help='execute fixed command without confirmation')
         group.add_argument(

Love this little app -- I use it a little too often...

In any case, I just thought you missed a good opportunity to do `fuck --yeah`, so I'm adding it in :)