diff --git a/ocaml/lang/security/hashtable-dos.yaml b/ocaml/lang/security/hashtable-dos.yaml
index e29bc8b596..ce55b18054 100644
--- a/ocaml/lang/security/hashtable-dos.yaml
+++ b/ocaml/lang/security/hashtable-dos.yaml
@@ -13,7 +13,7 @@ rules:
       technology:
         - ocaml
       cwe: "CWE-399: Resource Management Errors (4.12)"
-      confidence: MEDIUM
+      confidence: LOW
       likelihood: LOW
       impact: LOW
       subcategory:
diff --git a/yaml/semgrep/duplicate-pattern.test.yaml b/yaml/semgrep/duplicate-pattern.test.yaml
index 19b0c0800a..2b71c75f1f 100644
--- a/yaml/semgrep/duplicate-pattern.test.yaml
+++ b/yaml/semgrep/duplicate-pattern.test.yaml
@@ -14,5 +14,6 @@ rules:
           subprocess.call(...) == $X
     message: >-
       This is not checking the return value of this subprocess call; if it fails no exception will be raised. Consider subprocess.check_call() instead
+    languages: [python]
     severity: WARNING
     fix: subprocess.check_call(...)