diff --git a/hadoop-hdds/interface-client/src/main/proto/hdds.proto b/hadoop-hdds/interface-client/src/main/proto/hdds.proto
index 2d06b3c2ffb7..02238146a275 100644
--- a/hadoop-hdds/interface-client/src/main/proto/hdds.proto
+++ b/hadoop-hdds/interface-client/src/main/proto/hdds.proto
@@ -19,7 +19,7 @@
 /**
  * These .proto interfaces are private and unstable.
  * Please see http://wiki.apache.org/hadoop/Compatibility
- * for what changes are allowed for a *unstable* .proto interface.
+ * for what changes are allowed for an *unstable* .proto interface.
  */
 
 option java_package = "org.apache.hadoop.hdds.protocol.proto";
@@ -51,7 +51,7 @@ message DatanodeDetailsProto {
 
 /**
  The DatanodeDetailsProto is a basic type that will be shared by many Proto,
- to reduce the number of fields transfered by ProtoBuf, only need to extend
+ to reduce the number of fields transferred by ProtoBuf, only need to extend
  DatanodeDetailsProto for registering DataNode with SCM and Recon.
 */
 message ExtendedDatanodeDetailsProto {
@@ -158,12 +158,12 @@ message NodePool {
 
 /**
  * LifeCycleState for SCM object creation state machine:
- *    ->Allocated: allocated on SCM but clean has not started creating it yet.
+ *    ->Allocated: allocated on SCM but client has not started creating it yet.
  *    ->Creating: allocated and assigned to client to create but not ack-ed yet.
  *    ->Open: allocated on SCM and created on datanodes and ack-ed by a client.
- *    ->Close: container closed due to space all used or error?
+ *    ->Close: container closed due to space all used or error.
  *    ->Timeout -> container failed to create on datanodes or ack-ed by client.
- *    ->Deleting(TBD) -> container will be deleted after timeout
+ *    ->Deleting(TBD) -> container will be deleted after timeout.
  * 1. ALLOCATE-ed containers on SCM can't serve key/block related operation
  *    until ACK-ed explicitly which changes the state to OPEN.
  * 2. Only OPEN/CLOSED containers can serve key/block related operation.