diff --git a/README.md b/README.md
index bfc21723..b09efd5a 100644
--- a/README.md
+++ b/README.md
@@ -66,4 +66,4 @@ We also provide a iOS [sample app using the Nearby Connections library]
 ### Limitation
 The only Medium supported is Wifi LAN.
 
-**Last Updated:** April 7, 2022
+**Last Updated:** August 8, 2022
diff --git a/proto/mediums/nfc_frames.proto b/proto/mediums/nfc_frames.proto
index b5a9fab6..8dcf0183 100644
--- a/proto/mediums/nfc_frames.proto
+++ b/proto/mediums/nfc_frames.proto
@@ -27,7 +27,7 @@ message AdvertisementData {
   optional bytes tag = 1;
 
   // A public key associated with the advertisement.
-  optional bytes public_key = 2 ;
+  optional bytes public_key = 2;
 }
 
 // The data to be sent to advertisers from scanning device during discovery.
@@ -39,5 +39,5 @@ message AdvertisementRequest {
   optional string endpoint_id = 2;
 
   // Public key from the scanning device.
-  optional bytes public_key = 3 ;
+  optional bytes public_key = 3;
 }