diff --git a/openair1/PHY/LTE_TRANSPORT/pucch.c b/openair1/PHY/LTE_TRANSPORT/pucch.c
index 9f19f0a57e4fef1c9f7060da923ac715f984b61c..ab6cef67824bf54e9d3663a81f633bf524d8e6c1 100755
--- a/openair1/PHY/LTE_TRANSPORT/pucch.c
+++ b/openair1/PHY/LTE_TRANSPORT/pucch.c
@@ -1865,6 +1865,9 @@ uint32_t rx_pucch(PHY_VARS_eNB *eNB,
   */  
 
   if(fmt!=pucch_format3) {  /* PUCCH format3 */
+  
+  // TODO
+  // "CQI/PMI/RI+ACK/NACK" will be supported in the future.
 
   if ((deltaPUCCH_Shift==0) || (deltaPUCCH_Shift>3)) {
     LOG_E(PHY,"[eNB] rx_pucch: Illegal deltaPUCCH_shift %d (should be 1,2,3)\n",deltaPUCCH_Shift);