diff --git a/protob/messages.proto b/protob/messages.proto
index 533743c0a6..d1c1815d59 100644
--- a/protob/messages.proto
+++ b/protob/messages.proto
@@ -255,7 +255,8 @@ message Entropy {
  */
 message GetPublicKey {
 	repeated uint32 address_n = 1;		// BIP-32 path to derive the key from master node
-	optional string ecdsa_curve_name = 2;		// ECDSA curve name to use
+	optional string ecdsa_curve_name = 2;	// ECDSA curve name to use
+	optional bool show_display = 3;		// optionally show on display before sending the result
 }
 
 /**
@@ -276,7 +277,7 @@ message PublicKey {
 message GetAddress {
 	repeated uint32 address_n = 1;			// BIP-32 path to derive the key from master node
 	optional string coin_name = 2 [default='Bitcoin'];
-	optional bool show_display = 3;
+	optional bool show_display = 3;			// optionally show on display before sending the result
 	optional MultisigRedeemScriptType multisig = 4;	// Filled if we are showing a multisig address
 }