[nongnu] elpa/rubocop 4aeda22 14/64: Update README.md

[ELPA Syncer]

branch: elpa/rubocop
commit 4aeda22c241837e950bdae3ebeb0c42db834629b
Author: Arthur Nogueira Neves <arthurnn@gmail.com>
Commit: Arthur Nogueira Neves <arthurnn@gmail.com>

    Update README.md
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 95634f9..c354860 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Command                                         | Description
 If you use them often you might want to enable `rubocop-mode` which will added 
some keybindings for them:
 
 ```lisp
-(add-hook 'ruby-mode 'rubocop-mode)
+(add-hook 'ruby-mode-hook 'rubocop-mode)
 ```
 
 # Known issues