gh-135496: Fix f string exclamation mark error typo (GH-135495)

(cherry picked from commit c2bb3f9)

Co-authored-by: GiGaGon <[email protected]>

Author: MeGaGiGaGon

Lib/test/test_fstring.py

@@ -1380,7 +1380,7 @@ def test_conversions(self):
         for conv in ' s', ' s ':
             self.assertAllRaise(SyntaxError,
                                 "f-string: conversion type must come right after the"
-                                " exclamanation mark",
+                                " exclamation mark",
                                 ["f'{3!" + conv + "}'"])
 
         self.assertAllRaise(SyntaxError,

Misc/NEWS.d/next/Core_and_Builtins/2025-06-14-01-01-14.gh-issue-135496.ER0Me3.rst

@@ -0,0 +1 @@
+Fix typo in the f-string conversion type error ("exclamanation" -> "exclamation").

Parser/action_helpers.c

@@ -965,7 +965,7 @@ _PyPegen_check_fstring_conversion(Parser *p, Token* conv_token, expr_ty conv)
     if (conv_token->lineno != conv->lineno || conv_token->end_col_offset != conv->col_offset) {
         return RAISE_SYNTAX_ERROR_KNOWN_RANGE(
             conv_token, conv,
-            "%c-string: conversion type must come right after the exclamanation mark",
+            "%c-string: conversion type must come right after the exclamation mark",
             TOK_GET_STRING_PREFIX(p->tok)
         );
     }