diff --git a/Google/Parens.yml b/Google/Parens.yml
index 3b8711d..ebd7cf2 100644
--- a/Google/Parens.yml
+++ b/Google/Parens.yml
@@ -4,4 +4,4 @@ link: 'https://developers.google.com/style/parentheses'
 nonword: true
 level: suggestion
 tokens:
-  - '\(.+\)'
+  - '\((?![A-Z]{3,5}\b)([^)]+)\)'