diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1feae10d5..9976a1773 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -89,7 +89,9 @@ Our tests are located in the `test/` directory, containing a PHPUnit config file
 * Use the present tense ("Add feature" not "Added feature")
 * Use the imperative mood ("Move cursor to..." not "Moves cursor to...")
 * Limit the first line to 72 characters or less
-* Please start the commit message with an applicable emoji code (following the [Gitmoji guide](https://gitmoji.carloscuesta.me/)). For example :
+* Please start the commit message with an applicable emoji code (following the [Gitmoji guide](https://gitmoji.carloscuesta.me/)).  
+ Beware to use the code (for example `:bug:`) and not the character (🐛) as Unicode support in git clients is very poor for now...  
+ Emoji examples :
     * 🌐 `:globe_with_meridians:` for translations
     * 🎨 `:art:` when improving the format/structure of the code
     * ⚡️ `:zap:` when improving performance
@@ -101,7 +103,8 @@ Our tests are located in the `test/` directory, containing a PHPUnit config file
     * ⬆️ `:arrow_up:` when upgrading dependencies
     * ⬇️ `:arrow_down:` when downgrading dependencies
     * ♻️ `:recycle:` code refactoring
-    * 💄 `:lipstick:` Updating the UI and style files.
+    * 💄 `:lipstick:` Updating the UI and style files.  
+  
 
 ## Pull request