diff --git a/Parser/pegen/parse_string.c b/Parser/pegen/parse_string.c
index d762e65..7b02bdd 100644
--- a/Parser/pegen/parse_string.c
+++ b/Parser/pegen/parse_string.c
@@ -390,7 +390,7 @@
         return NULL;
     }
 
-    // The parentheses are needed in order to allow for leading whitespace withing
+    // The parentheses are needed in order to allow for leading whitespace within
     // the f-string expression. This consequently gets parsed as a group (see the
     // group rule in python.gram).
     str[0] = '(';