diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 4ac5803ac1a..29734fea02a 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -831,7 +831,7 @@ string functions based on regular expressions.
 .. method:: str.capitalize()
 
    Return a copy of the string with its first character capitalized and the
-   rest lowered.
+   rest lowercased.
 
    For 8-bit strings, this method is locale-dependent.