[Cache] Adds info about single file purge (#24046)

* Adds info about single file purge

* Remove word

Author: angelampcosta

src/content/docs/cache/how-to/cache-rules/settings.mdx

@@ -34,7 +34,7 @@ If you select the [Edit expression](/ruleset-engine/rules-language/expressions/e
 
 :::note
 
-The fields mentioned above support all types of purge. However, the [remaining available fields](/ruleset-engine/rules-language/fields/reference/) support purge by tags, prefix (URL), hostname, and everything but are not compatible with [single file purge](/cache/how-to/purge-cache/purge-by-single-file/).
+[Single file purge](/cache/how-to/purge-cache/purge-by-single-file/) is not compatible if you add other [fields](/ruleset-engine/rules-language/fields/reference/) than those listed, such as `ip.*` fields.
 
 :::