diff --git a/klausur-service/backend/cv_ocr_engines.py b/klausur-service/backend/cv_ocr_engines.py
index 4a4dd4f..0e96432 100644
--- a/klausur-service/backend/cv_ocr_engines.py
+++ b/klausur-service/backend/cv_ocr_engines.py
@@ -907,8 +907,9 @@ def _is_grammar_bracket_content(content: str) -> bool:
     if not content:
         return False
 
-    # Split on / for patterns like (about/of), (on/with)
-    tokens = [t.strip().lower() for t in content.split('/') if t.strip()]
+    # Split on / and spaces for patterns like (about/of), (no pl)
+    tokens = re.split(r'[/\s]+', content.strip().lower())
+    tokens = [t for t in tokens if t]
     if not tokens:
         return False