Update docs/modules/ROOT/pages/upgrade_to_version_2.adoc

Co-authored-by: Viacheslav Mefodin <[email protected]>

Author: pirj

docs/modules/ROOT/pages/upgrade_to_version_2.adoc

@@ -213,7 +213,7 @@ ExampleGroups.regular
 Examples::EXAMPLES
 
 # After
-Examples#regular
+Examples.regular
 ----
 
 https://github.com/rubocop-hq/rubocop-rspec/pull/956[Pull request with more examples].