Add slugify extra requirement to documentation

codingjoe · codingjoe · commit b11a9d6edb70 · 2018-09-07T11:30:35.000+02:00
diff --git a/README.rst b/README.rst
@@ -14,7 +14,7 @@ Installation
 
 .. code-block:: bash
 
-    pip install django-dynamic-filenames
+    pip install django-dynamic-filenames[slugify]
 
 Samples
 ~~~~~~~
