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

@@ -173,7 +173,7 @@ def_node_search :examples?,
 
 # After
 def_node_search :examples?,
-                send_pattern('{#Includes.Example #Examples.all}')
+                send_pattern('{#Includes.examples #Examples.all}')
 ----
 
 [source,ruby]