fix regex

Author: SunsetTechuila

index.ts

@@ -254,11 +254,11 @@ TEST: addTests('isPRList', [
 	'https://github.com/sindresorhus/refined-github/pulls?q=is%3Apr+is%3Aclosed',
 ]);
 
-// `commits` -> `changes` Since December 2025
-export const isPRCommit = (url: URL | HTMLAnchorElement | Location = location): boolean => /^pull\/\d+\/commits|changes\/[\da-f]{5,40}$/.test(getRepo(url)?.path);
+export const isPRCommit = (url: URL | HTMLAnchorElement | Location = location): boolean => /^pull\/\d+\/(commits|changes)\/[\da-f]{5,40}$/.test(getRepo(url)?.path);
 TEST: addTests('isPRCommit', [
 	'https://github.com/sindresorhus/refined-github/pull/148/commits/0019603b83bd97c2f7ef240969f49e6126c5ec85',
 	'https://github.com/sindresorhus/refined-github/pull/148/commits/00196',
+	// Since December 2025
 	'https://github.com/sindresorhus/refined-github/pull/148/changes/0019603b83bd97c2f7ef240969f49e6126c5ec85',
 	'https://github.com/sindresorhus/refined-github/pull/148/changes/00196',
 ]);