docs: code block alignment in channel upgrades doc

docs/docs/01-ibc/06-channel-upgrades.md

@@ -75,43 +75,43 @@ These states may consist of:
 
 ```go
 const (
-	// Default State
-	UNINITIALIZED State = 0
-	// A channel has just started the opening handshake.
-	INIT State = 1
-	// A channel has acknowledged the handshake step on the counterparty chain.
-	TRYOPEN State = 2
-	// A channel has completed the handshake. Open channels are
-	// ready to send and receive packets.
-	OPEN State = 3
-	// A channel has been closed and can no longer be used to send or receive
-	// packets.
-	CLOSED State = 4
-	// A channel has just accepted the upgrade handshake attempt and is flushing in-flight packets.
-	FLUSHING State = 5
-	// A channel has just completed flushing any in-flight packets.
-	FLUSHCOMPLETE State = 6
+  // Default State
+  UNINITIALIZED State = 0
+  // A channel has just started the opening handshake.
+  INIT State = 1
+  // A channel has acknowledged the handshake step on the counterparty chain.
+  TRYOPEN State = 2
+  // A channel has completed the handshake. Open channels are
+  // ready to send and receive packets.
+  OPEN State = 3
+  // A channel has been closed and can no longer be used to send or receive
+  // packets.
+  CLOSED State = 4
+  // A channel has just accepted the upgrade handshake attempt and is flushing in-flight packets.
+  FLUSHING State = 5
+  // A channel has just completed flushing any in-flight packets.
+  FLUSHCOMPLETE State = 6
 )
 ```
 
 These are found in `State` on the `Channel` struct:
 
 ```go
 type Channel struct {
-	// current state of the channel end
-	State State `protobuf:"varint,1,opt,name=state,proto3,enum=ibc.core.channel.v1.State" json:"state,omitempty"`
-	// whether the channel is ordered or unordered
-	Ordering Order `protobuf:"varint,2,opt,name=ordering,proto3,enum=ibc.core.channel.v1.Order" json:"ordering,omitempty"`
-	// counterparty channel end
-	Counterparty Counterparty `protobuf:"bytes,3,opt,name=counterparty,proto3" json:"counterparty"`
-	// list of connection identifiers, in order, along which packets sent on
-	// this channel will travel
-	ConnectionHops []string `protobuf:"bytes,4,rep,name=connection_hops,json=connectionHops,proto3" json:"connection_hops,omitempty"`
-	// opaque channel version, which is agreed upon during the handshake
-	Version string `protobuf:"bytes,5,opt,name=version,proto3" json:"version,omitempty"`
-	// upgrade sequence indicates the latest upgrade attempt performed by this channel
-	// the value of 0 indicates the channel has never been upgraded
-	UpgradeSequence uint64 `protobuf:"varint,6,opt,name=upgrade_sequence,json=upgradeSequence,proto3" json:"upgrade_sequence,omitempty"`
+  // current state of the channel end
+  State State `protobuf:"varint,1,opt,name=state,proto3,enum=ibc.core.channel.v1.State" json:"state,omitempty"`
+  // whether the channel is ordered or unordered
+  Ordering Order `protobuf:"varint,2,opt,name=ordering,proto3,enum=ibc.core.channel.v1.Order" json:"ordering,omitempty"`
+  // counterparty channel end
+  Counterparty Counterparty `protobuf:"bytes,3,opt,name=counterparty,proto3" json:"counterparty"`
+  // list of connection identifiers, in order, along which packets sent on
+  // this channel will travel
+  ConnectionHops []string `protobuf:"bytes,4,rep,name=connection_hops,json=connectionHops,proto3" json:"connection_hops,omitempty"`
+  // opaque channel version, which is agreed upon during the handshake
+  Version string `protobuf:"bytes,5,opt,name=version,proto3" json:"version,omitempty"`
+  // upgrade sequence indicates the latest upgrade attempt performed by this channel
+  // the value of 0 indicates the channel has never been upgraded
+  UpgradeSequence uint64 `protobuf:"varint,6,opt,name=upgrade_sequence,json=upgradeSequence,proto3" json:"upgrade_sequence,omitempty"`
 }
 ```