Bug 1443909 - Index documentation of JSMSG_BAD_INSTANCEOF_RHS. r=fscholz

devtools/server/actors/errordocs.js

@@ -83,6 +83,7 @@ const ErrorDocs = {
   JSMSG_CANT_TRUNCATE_ARRAY: "Non_configurable_array_element",
   JSMSG_INCOMPATIBLE_PROTO: "Called_on_incompatible_type",
   JSMSG_INCOMPATIBLE_METHOD: "Called_on_incompatible_type",
+  JSMSG_BAD_INSTANCEOF_RHS: "invalid_right_hand_side_instanceof_operand",
 };
 
 const MIXED_CONTENT_LEARN_MORE = "https://developer.mozilla.org/docs/Web/Security/Mixed_content";