Address the comments

examples/sample_identity_map_client.py

@@ -7,7 +7,8 @@
 # which contains raw uid or the reason why it is unmapped
 
 def _usage():
-    print('Usage: python3 sample_sharing_client.py <base_url> <auth_key> <secret_key> <email_list>', file=sys.stderr)
+    print('Usage: python3 sample_sharing_client.py <base_url> <auth_key> <secret_key> <email_1> <email_2> ... <email_n>'
+          , file=sys.stderr)
     sys.exit(1)
 
 
@@ -35,4 +36,3 @@ def _usage():
     unmapped_identity = unmapped_identities.get(first_email)
     reason = unmapped_identity.get_reason()
     print('reason =', reason)
-

uid2_client/identity_map_client.py

@@ -8,7 +8,7 @@
 
 
 class IdentityMapClient:
-    """Client for interacting with UID2 Identity Map services
+    """Client for interacting with UID Identity Map services
 
         You will need to have the base URL of the endpoint and a client API key
         and secret to consume web services.
@@ -21,12 +21,12 @@ def __init__(self, base_url, auth_key, secret_key):
         """Create a new IdentityMapClient client.
 
         Args:
-            base_url (str): base URL for all requests to UID2 services (e.g. 'https://prod.uidapi.com')
-            auth_key (str): authorization key for consuming the UID2 services
-            secret_key (str): secret key for consuming the UID2 services
+            base_url (str): base URL for all requests to UID services (e.g. 'https://prod.uidapi.com')
+            auth_key (str): authorization key for consuming the UID services
+            secret_key (str): secret key for consuming the UID services
 
         Note:
-            Your authorization key will determine which UID2 services you are allowed to use.
+            Your authorization key will determine which UID services you are allowed to use.
         """
         self._base_url = base_url
         self._auth_key = auth_key