doc: add text about error.code stability

Fixes: nodejs#23975 PR-URL: nodejs#24090 Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Joyee Cheung <[email protected]>
Trott · Nov 7, 2018 · 1368eb8 · 1368eb8
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commit 1368eb8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/api/errors.md b/doc/api/errors.md
@@ -260,7 +260,7 @@ not capture any frames.
 * {string}
 
 The `error.code` property is a string label that identifies the kind of error.
-See [Node.js Error Codes][] for details about specific codes.
+`error.code` is the most stable way to identify an error. It will only change between major versions of Node.js. In contrast, `error.message` strings may change between any versions of Node.js. See [Node.js Error Codes][] for details about specific codes.
 
 ### error.message