diff --git a/Python/ast.c b/Python/ast.c
index 8b3dbea..1152402 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -5356,7 +5356,7 @@
        doubling the number allocated each time. Note that the f-string
        f'{0}a{1}' contains 3 expr_ty's: 2 FormattedValue's, and one
        Constant for the literal 'a'. So you add expr_ty's about twice as
-       fast as you add exressions in an f-string. */
+       fast as you add expressions in an f-string. */
 
     Py_ssize_t allocated;  /* Number we've allocated. */
     Py_ssize_t size;       /* Number we've used. */