Addressing review comments

Author: miott

src/cisco_gnmi/client.py

@@ -321,6 +321,9 @@ def subscribe_xpaths(
             Specifies the maximum allowable silent period in nanoseconds when
             suppress_redundant is in use. The target should send a value at least once
             in the period specified. Also applies in ON_CHANGE.
+        prefix : proto.gnmi_pb2.Path, optional
+            A common path prepended to all path elements in the message. This reduces message size by
+            removing redundent path elements. Smaller message == improved thoughput.
 
         Returns
         -------

src/cisco_gnmi/nx.py

@@ -105,6 +105,9 @@ def set_json(self, update_json_configs=None, replace_json_configs=None, ietf=Fal
             JSON configs to apply as replacements.
         ietf : bool, optional
             Use JSON_IETF vs JSON.
+        prefix : proto.gnmi_pb2.Path, optional
+            A common path prepended to all path elements in the message. This reduces message size by
+            removing redundent path elements. Smaller message == improved thoughput.
 
         Returns
         -------
@@ -172,7 +175,7 @@ def get_xpaths(self, xpaths, data_type="ALL", encoding="JSON"):
             [ALL, CONFIG, STATE, OPERATIONAL]
         encoding : proto.gnmi_pb2.GetRequest.Encoding, optional
             A direct value or key from the Encoding enum
-            [JSON, JSON_IETF]
+            [JSON] is only setting supported at this time
 
         Returns
         -------

src/cisco_gnmi/xe.py

@@ -266,6 +266,9 @@ def subscribe_xpaths(
             Specifies the maximum allowable silent period in nanoseconds when
             suppress_redundant is in use. The target should send a value at least once
             in the period specified.
+        prefix : proto.gnmi_pb2.Path, optional
+            A common path prepended to all path elements in the message. This reduces message size by
+            removing redundent path elements. Smaller message == improved thoughput.
 
         Returns
         -------