[Docs] Tweak some compatibility wording

docs/modules/ROOT/pages/compatibility.adoc

@@ -35,7 +35,7 @@ The following table is the runtime support matrix.
 | 3.2 (experimental) | -
 |===
 
-Targets Ruby 2.0+ code analysis since RuboCop 1.30. It restored code analysis that was unsupported with EOL of runtime Ruby version.
+RuboCop targets Ruby 2.0+ code analysis since RuboCop 1.30. It restored code analysis support that had been removed earlier by mistake, together with dropping runtime support for unsupported Ruby versions.
 
 NOTE: The compatibility xref:configuration.adoc#setting-the-target-ruby-version[target Ruby version mentioned here] is about code analysis (what RuboCop can analyze), not runtime (is RuboCop capable of running on some Ruby or not).