Merge pull request #1344 from 10up/fix/docs

Author: jeffpaul

docs/snippets.md

@@ -9,6 +9,7 @@
 - [Automatically unlink posts](#automatically-unlink-posts)
 - [Modify custom meta data](#modify-custom-meta-data)
 - [Exclude meta key from distribution](#exclude-meta-key-from-distribution)
+- [Turn off automatic updates for distributed content](#turn-off-automatic-updates-for-distributed-content)
 
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