diff --git a/docs/docs/building-apps/03-protobuf-annotations.md b/docs/docs/building-apps/03-protobuf-annotations.md
index d78b43233acf..c690ef18072a 100644
--- a/docs/docs/building-apps/03-protobuf-annotations.md
+++ b/docs/docs/building-apps/03-protobuf-annotations.md
@@ -6,11 +6,13 @@ sidebar_position: 1
 
 This document explains the various protobuf scalars that have been added to make working with protobuf easier for Cosmos SDK application developers
 
-## Scalars
+## Scalar
 
 (cosmos_proto.scalar) = "cosmos.AddressString";
 
-## Interfaces
+## Implements_Interface
+
+Implement interface is 
 
 option (cosmos_proto.implements_interface) = "cosmos.auth.v1beta1.AccountI";
 
@@ -20,7 +22,7 @@ option (cosmos_proto.implements_interface) = "cosmos.auth.v1beta1.AccountI";
 
 option (amino.name) = "cosmos-sdk/BaseAccount";
 
-### Field Name
+### Field_Name
 
 (amino.field_name) = "public_key"