improve wording in ICQ module doc comments

proto/neutron/interchainqueries/genesis.proto

@@ -41,8 +41,8 @@ message RegisteredQuery {
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
     (gogoproto.nullable) = false
   ];
-  // Duration in blocks that is required to pass since the query registration/update for the
-  // query to become available for anybody to be removed.
+  // The duration, measured in blocks, that must pass since the query's registration or its last
+  // result submission before the query becomes eligible for removal by anyone.
   uint64 submit_timeout = 11;
   // The local chain block height of the Interchain Query registration.
   uint64 registered_at_height = 12;

proto/neutron/interchainqueries/params.proto

@@ -9,8 +9,9 @@ option go_package = "github.com/neutron-org/neutron/v5/x/interchainqueries/types
 // The parameters for the module.
 message Params {
   option (gogoproto.goproto_stringer) = false;
-  // The amount of blocks required to pass since an Interchain Query registration/update for the
-  // query to become available for removal by anybody.
+  // The duration, measured in blocks, that must pass since the query's registration or its last
+  // result submission before the query becomes eligible for removal by anyone. Is used to set
+  // `submit_timeout` on Interchain Query registration.
   uint64 query_submit_timeout = 1;
   // Amount of coins required to be provided as deposit on Interchain Query registration.
   repeated cosmos.base.v1beta1.Coin query_deposit = 2 [

proto/neutron/interchainqueries/query.proto

@@ -42,7 +42,7 @@ message QueryParamsRequest {}
 
 // Response type for the Query/Params RPC method.
 message QueryParamsResponse {
-  // Stores all parameters of the module.
+  // Contains all parameters of the module.
   Params params = 1 [(gogoproto.nullable) = false];
 }
 

proto/neutron/interchainqueries/tx.proto

@@ -119,7 +119,8 @@ message StorageValue {
   bytes key = 2;
   // A base64-encoded value read from the given storage path.
   bytes value = 3;
-  // The Merkle Proof which proves existence of key-value pair in IAVL storage. Is used to verify
+  // The Merkle Proof which proves existence/nonexistence of key-value pair in IAVL storage. Is
+  // used to verify
   // the pair against the respective remote chain's header.
   tendermint.crypto.ProofOps Proof = 4;
 }