[3.1.x] Used :mimetype: role in various docs.

Backport of feb91dbda13974f84eac52dccdc0de1ddb636616 from master

1 files changed, 3 insertions, 0 deletions

diff --git a/docs/internals/contributing/writing-documentation.txt b/docs/internals/contributing/writing-documentation.txt
index 91b81e4673..bd9d0e9495 100644
--- a/docs/internals/contributing/writing-documentation.txt
+++ b/docs/internals/contributing/writing-documentation.txt
@@ -243,6 +243,9 @@ documentation:
   and try to link to the relevant section if possible. For example, use
   ``:pep:`20#easter-egg``` or ``:pep:`Easter Egg <20#easter-egg>```.
 
+* Use :rst:role:`:mimetype:<mimetype>` to refer to a MIME Type unless the value
+  is quoted for a code example.
+
 Django-specific markup
 ======================