Fix required version for content export and import (#4081)

Author: bangelic

guides/common/modules/con_content-synchronization-by-using-export-and-import.adoc

@@ -18,7 +18,7 @@ For more information, see xref:synchronizing-a-single-repository_{context}[].
 
 [NOTE]
 ====
-Synchronizing content by using export and import requires the same major, minor, and patch version of {Project} on both the downstream and upstream {ProjectServer}s.
+Synchronizing content by using export and import requires the same major version of {Project} on both the downstream and upstream {ProjectServer}s.
 
 When you are unable to match upstream and downstream {Project} versions, you can use: