diff --git a/executorch-custom/jni_layer_tts.cpp b/executorch-custom/jni_layer_tts.cpp
index 5105ff2..a6cc15d 100644
--- a/executorch-custom/jni_layer_tts.cpp
+++ b/executorch-custom/jni_layer_tts.cpp
@@ -839,7 +839,8 @@ ExecuTorchJni::runTtsPipelineImpl(
         for(int i=0;i<NUM_CB;i++) allCodes.push_back(codes[i]);
         cb0Hist.push_back(curCb0);
 
-        // Next embed: pre-computed trailing OR codec_sum + eos/pad
+        // Next embed: use pre-computed trailing embeds (codec_sum+text from Python)
+        // then codec_sum + eos/pad after trailing exhausted
         float nextEmb[DIM]={};
         if(trIdx<nTrailing){
             memcpy(nextEmb,trailing.data()+trIdx*DIM,DIM*4);