diff --git a/tools/linter_lib/custom_check.py b/tools/linter_lib/custom_check.py
index 0ccac372d1..cf076d8110 100644
--- a/tools/linter_lib/custom_check.py
+++ b/tools/linter_lib/custom_check.py
@@ -738,7 +738,7 @@ html_rules: List["Rule"] = [
     },
     {
         "pattern": r"(?i:data-tippy-allowHTML)",
-        "description": "Never use data-tippy-allowHTML; for an HTML tooltip, set data-tooltip-template-id to the id of a <template>.",
+        "description": "Never use data-tippy-allowHTML; for an HTML tooltip, set data-tooltip-template-id to the id of a <template> containing the tooltip content.",
     },
 ]