diff --git a/src/ldl_mac.c b/src/ldl_mac.c
index ee733ec..bb50bdd 100644
--- a/src/ldl_mac.c
+++ b/src/ldl_mac.c
@@ -2144,7 +2144,7 @@ static void processCommands(struct ldl_mac *self, const uint8_t *in, uint8_t len
                         }
                     }
 
-                    /* ignore rate setting 16 */
+                    /* ignore rate setting 15, because that means keep the current value */
                     if(req->dataRate < 0xfU){
 
                         // todo: need to pin out of range to maximum
@@ -2158,7 +2158,7 @@ static void processCommands(struct ldl_mac *self, const uint8_t *in, uint8_t len
                         }
                     }
 
-                    /* ignore power setting 16 */
+                    /* ignore power setting 15, because that means keep the current value */
                     if(req->txPower < 0xfU){
 
                         if(LDL_Region_validateTXPower(self->ctx.region, req->txPower)){