Update src/app/CommandHandlerImpl.h

Co-authored-by: Terence Hampson <thampson@google.com>

Author: shripad621git

src/app/CommandHandlerImpl.h

@@ -294,9 +294,9 @@ class CommandHandlerImpl : public CommandHandler
         {
             return CHIP_NO_ERROR;
         }
-        // Here the err from previous step is returned intentionally if RollBackResonse fails due to
-        // running out of packet buffers i.e due to CHIP_ERROR_NO_MEMORY in AllocateBuffer() and
-        // fails to set the mRollBackBackupValid.
+        // The error value of RollbackResponse is not important if it fails, we prioritize
+        // conveying the error generated by addResponseFunction to the
+        // caller.
         if (RollbackResponse() != CHIP_NO_ERROR)
         {
             return err;