diff --git a/docs/source/plugin-development/registering-plugins.rst b/docs/source/plugin-development/registering-plugins.rst
index 065bdd8..63e279e 100644
--- a/docs/source/plugin-development/registering-plugins.rst
+++ b/docs/source/plugin-development/registering-plugins.rst
@@ -120,7 +120,7 @@ it would look like::
 
     X10 = flake8_example:ExamplePlugin
 
-In this casae as well as the following case, your entry-point name acts as
+In this case as well as the following case, your entry-point name acts as
 a prefix to the error codes produced by your plugin.
 
 If all of your plugin's error codes start with ``X1`` then it would look