diff --git a/include/fastdds/rtps/messages/MessageReceiver.h b/include/fastdds/rtps/messages/MessageReceiver.h
index e45f699e55b..fc1718c6953 100644
--- a/include/fastdds/rtps/messages/MessageReceiver.h
+++ b/include/fastdds/rtps/messages/MessageReceiver.h
@@ -92,7 +92,7 @@ class MessageReceiver
 #if HAVE_SECURITY
     //!Buffer to process the decoded RTPS message
     CDRMessage_t crypto_msg_;
-    //!Buffer to process each decoded RTPS submessage
+    //!Buffer to process each decoded RTPS sub-message
     CDRMessage_t crypto_submsg_;
     SerializedPayload_t crypto_payload_;
 #endif // if HAVE_SECURITY
diff --git a/src/cpp/rtps/messages/MessageReceiver.cpp b/src/cpp/rtps/messages/MessageReceiver.cpp
index 0471d841762..c2d0fe4715d 100644
--- a/src/cpp/rtps/messages/MessageReceiver.cpp
+++ b/src/cpp/rtps/messages/MessageReceiver.cpp
@@ -350,7 +350,7 @@ void MessageReceiver::processCDRMsg(
     {
         // The original CDRMessage buffer (msg) now points to the proprietary temporary buffer crypto_msg_.
         // The auxiliary buffer now points to the propietary temporary buffer crypto_submsg_.
-        // This way each decoded submessage will be process using the crypto_submsg_ buffer.
+        // This way each decoded sub-message will be processed using the crypto_submsg_ buffer.
         msg = auxiliary_buffer;
         auxiliary_buffer = &crypto_submsg_;
     }