diff --git a/tools/linter_lib/custom_check.py b/tools/linter_lib/custom_check.py
index 2d460c29d8..383e5a4640 100644
--- a/tools/linter_lib/custom_check.py
+++ b/tools/linter_lib/custom_check.py
@@ -893,12 +893,12 @@ help_markdown_rules = RuleList(
             "pattern": r"\b[rR]ealm[s]?\b",
             "include_only": {"templates/zerver/help/"},
             "exclude": {"templates/zerver/help/change-organization-url.md"},
-            # Keycloak uses the term realm as well.
-            "exclude_pattern": "[Kk]eycloak",
             "good_lines": ["Organization", "deactivate_realm", "realm_filter"],
             "bad_lines": ["Users are in a realm", "Realm is the best model"],
             "description": "Realms are referred to as Organizations in user-facing docs.",
-            "exclude_pattern": "-realm-",
+            # Keycloak uses the term realm as well.
+            # Additionally, we allow -realm- as that appears in /api/ doc URLs.
+            "exclude_pattern": "(-realm-|[kK]eycloak)",
         },
     ],
     length_exclude=markdown_docs_length_exclude,