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manage-networks/SUMMARY.md

 # Summary
 
-* [manage-networks](README.md)
-    * [Labs](labs/README.md)
+* [Managing Networks](README.md)
+    * [YANG-GNMI Programming](yangnmi-prog/README.md)

manage-networks/yangnmi-prog/README.md

+# Programming with YANG and gNMI
+
+This section introduces how to use yang modules and gNMI together. All examples here are based on the go programming language, ygot, openconfig's gnmi and yang modules.