#12498: Annotate option to set MAPS_URL=None

docs/configuration/miscellaneous.md

@@ -129,7 +129,7 @@ Setting this to True will display a "maintenance mode" banner at the top of ever
 
 Default: `https://maps.google.com/?q=` (Google Maps)
 
-This specifies the URL to use when presenting a map of a physical location by street address or GPS coordinates. The URL must accept either a free-form street address or a comma-separated pair of numeric coordinates appended to it.
+This specifies the URL to use when presenting a map of a physical location by street address or GPS coordinates. The URL must accept either a free-form street address or a comma-separated pair of numeric coordinates appended to it. Set this to `None` to disable the "map it" button within the UI.
 
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