ignore_malformed does not work on TEXT fields.

elastic#12366

docs/reference/mapping/params/ignore-malformed.asciidoc

@@ -98,10 +98,11 @@ You can't use `ignore_malformed` with the following datatypes:
 * <<nested, Nested datatype>>
 * <<object, Object datatype>>
 * <<range, Range datatypes>>
+* <<text, Text datatypes>>
 
 You also can't use `ignore_malformed` to ignore JSON objects submitted to fields
 of the wrong datatype. A JSON object is any data surrounded by curly brackets
 `"{}"` and includes data mapped to the nested, object, and range datatypes.
 
 If you submit a JSON object to an unsupported field, {es} will return an error
-and reject the entire document regardless of the `ignore_malformed` setting.
+and reject the entire document regardless of the `ignore_malformed` setting.