Update modules/ROOT/partials/misc/custom-dictionaries-path.adoc

Co-authored-by: Tim Dettrick <[email protected]>

Author: kemister85

modules/ROOT/partials/misc/custom-dictionaries-path.adoc

@@ -2,7 +2,7 @@ The `+ephox.spelling.custom-dictionaries-path+` element is used to define the lo
 
 Requirements:
 
-* The directory containing the custom dictionaries must be on the same server machine.
+* The directory containing the custom dictionaries must be mounted as a volume in the container.
 * The directory should not contain subdirectories or non-dictionary files.
 
 {companyname} recommends storing the custom dictionaries in a similar location to the `+application.conf+` file. For example, if `+application.conf+` is in a directory called `+/opt/ephox+`, the dictionary files could be stored in the subdirectory `+/opt/ephox/dictionaries+`.