Add documentation to DiffFileMetaInfo#content_type
Change-Id: I4de00a14cfa81ccb9238267977629900ce8e810a
diff --git a/Documentation/rest-api-changes.txt b/Documentation/rest-api-changes.txt
index 82a9638..dd1a7ec 100644
--- a/Documentation/rest-api-changes.txt
+++ b/Documentation/rest-api-changes.txt
@@ -7114,7 +7114,11 @@
|==========================
|Field Name ||Description
|`name` ||The name of the file.
-|`content_type`||The content type of the file.
+|`content_type`||The content type of the file. For the commit message and merge
+list the value is `text/x-gerrit-commit-message` and `text/x-gerrit-merge-list`
+respectively. For git links the value is `x-git/gitlink`. For symlinks the value
+is `x-git/symlink`. For regular files the value is the file mime type (e.g.
+`text/x-java`, `text/x-c++src`, etc...).
|`lines` ||The total number of lines in the file.
|`web_links` |optional|
Links to the file in external sites as a list of
