[DOCS] improve explanation of dynamic mapping setting
Closes
@@ -46,8 +46,11 @@ not. It accepts three settings:
[horizontal]
`true`:: Newly detected fields are added to the mapping. (default)
-`false`:: Newly detected fields are ignored. New fields must be added explicitly.
-`strict`:: If new fields are detected, an exception is thrown and the document is rejected.
+`false`:: Newly detected fields are ignored. These fields will not be indexed so will not be searchable
+ but will still appear in the `_source` field of returned hits. These fields will not be added
+ to the mapping, new fields must be added explicitly.
+`strict`:: If new fields are detected, an exception is thrown and the document is rejected. New fields
+ must be explicitly added to the mapping.
The `dynamic` setting may be set at the mapping type level, and on each
<<object,inner object>>. Inner objects inherit the setting from their parent
