diff --git a/ClearURLs for uBo/compile.py b/ClearURLs for uBo/compile.py
index ef77b8c81..7a1ee6ed7 100644
--- a/ClearURLs for uBo/compile.py	
+++ b/ClearURLs for uBo/compile.py	
@@ -37,9 +37,12 @@ HEAD = """\
 
 """
 KNOWN_BAD_FILTERS = [
+    # Conflicts with can never be made generic in LegitimateURLShortener
     "$removeparam=/^ref_?=/",
+    # Break google search links (https://github.com/DandelionSprout/adfilt/discussions/163#discussioncomment-1598337)
     "$removeparam=sa,domain=google.*",
     "$removeparam=usg,domain=google.*",
+    # This looks like it could break things 
     "$removeparam=referrer",
 ]