docs(readme): fix 'pip install Commitizen' to 'pip install commitizen'

AdrianDC · AdrianDC · commit fab11da2bb47 · 2024-08-18T14:24:00.000+02:00
Signed-off-by: Adrian DC &lt;radian.dc@gmail.com&gt;
diff --git a/docs/README.md b/docs/README.md
@@ -49,7 +49,7 @@ descriptive commits.
 To make commitizen available in your system
 
 ```bash
-pip install --user -U Commitizen
+pip install --user -U commitizen
 ```
 
 ### Python project
