diff --git a/packages/valory/protocols/abci/abci.proto b/packages/valory/protocols/abci/abci.proto
index 078addf4e4..85788d9fe6 100644
--- a/packages/valory/protocols/abci/abci.proto
+++ b/packages/valory/protocols/abci/abci.proto
@@ -6,11 +6,11 @@ message AbciMessage{
 
   // Custom Types
   message CheckTxType{
-    enum CheckTxTypeEnum {
+    enum CheckTxType {
       NEW            = 0;
       RECHECK        = 1;
     }
-    CheckTxTypeEnum type = 1;
+    CheckTxType type = 1;
   }
 
   message ConsensusParams{
@@ -66,8 +66,8 @@ message AbciMessage{
       int64 height = 3;
       // The corresponding time where the offense occurred
       Timestamp time = 4;
-      // Total voting power of the validator set in case the ABCI application
-      // does not store historical validators.
+      // Total voting power of validator set if app lacks
+      // historical validator data.
       // https://github.com/tendermint/tendermint/issues/4581
       int64 total_voting_power = 5;
     }
@@ -104,8 +104,7 @@ message AbciMessage{
     bytes next_validators_hash = 9;   // validators for the next block
     bytes consensus_hash       = 10;  // consensus params for current block
     bytes app_hash             = 11;  // state after txs from the previous block
-    // root hash of all results from previous block transactions
-    bytes last_results_hash    = 12;
+    bytes last_results_hash = 12;  // root hash of previous block results
         
     // consensus info
     bytes evidence_hash    = 13;  // evidence included in the block