diff --git a/Doc/library/site.rst b/Doc/library/site.rst
index 6f989e2b21b8bf..fe8718280b2a01 100644
--- a/Doc/library/site.rst
+++ b/Doc/library/site.rst
@@ -460,7 +460,7 @@ Module contents
    .. versionadded:: 3.2
 
    .. versionchanged:: 3.3
-      Add the optional *prefixes* argument.
+      Added the optional *prefixes* parameter.
 
 
 .. function:: getuserbase()