Added zeroed upgrade_sequence.

src/pages/ibc/diy-protocol/channel-lifecycle.mdx

@@ -205,11 +205,12 @@ the contract sends the message to initiate the handshake and immediately set to
 
 <details>
  <summary>Advanced example: Contract initiating the handshake on its own</summary>
-
- <Callout>
- The following example requires the `cosmos-sdk-proto` crate that provides
- protobuf types for Cosmos SDK messages.
- </Callout>
+
+{" "}
+<Callout>
+ The following example requires the `cosmos-sdk-proto` crate that provides protobuf types for
+ Cosmos SDK messages.
+</Callout>
 
 ```rust filename="ibc.rs" template="ibc-channel"
 use cosmos_sdk_proto::ibc::core::channel::v1::{
@@ -244,6 +245,7 @@ pub fn new_msg_channel_open_init(
  }),
  connection_hops: vec![connection_id],
  version: IBC_APP_VERSION.to_string(),
+ upgrade_sequence: 0,
  }),
  signer: env.contract.address.to_string(),
  })