diff --git a/Lib/_py_warnings.py b/Lib/_py_warnings.py
index ab09913de6812d..52d7b8b37856c2 100644
--- a/Lib/_py_warnings.py
+++ b/Lib/_py_warnings.py
@@ -33,7 +33,7 @@ def _set_module(module):
 # - a class representing the warning category
 # - a compiled regex that must match the module that is being warned
 # - a line number for the line being warning, or 0 to mean any line
-# If either if the compiled regexs are None, match anything.
+# If either of the compiled regexs are None, match anything.
 filters = []