diff --git a/common/JackAPI.cpp b/common/JackAPI.cpp
index ed5573b0..a1e72a95 100644
--- a/common/JackAPI.cpp
+++ b/common/JackAPI.cpp
@@ -501,6 +501,10 @@ EXPORT int jack_recompute_total_latencies(jack_client_t* ext_client)
     }
 }
 
+/*
+This is unsafe if case of concurrent access, and should be "serialized" doing a server call.
+*/
+
 EXPORT int jack_port_set_name(jack_port_t* port, const char* name)
 {
 #ifdef __CLIENTDEBUG__
diff --git a/common/JackTransportEngine.cpp b/common/JackTransportEngine.cpp
index a2a2b3f4..dfca076d 100644
--- a/common/JackTransportEngine.cpp
+++ b/common/JackTransportEngine.cpp
@@ -101,7 +101,7 @@ void JackTransportEngine::MakeAllStartingLocating(JackClientInterface** table)
     for (int i = REAL_REFNUM; i < CLIENT_NUM; i++) {
         JackClientInterface* client = table[i];
         if (client) {
-             // Inactive clients don't have their process function called at all, so they appear as already "rolling" for the transport....
+             // Inactive clients don't have their process function called at all, so they must appear as already "rolling" for the transport....
             client->GetClientControl()->fTransportState = (client->GetClientControl()->fActive) ? JackTransportStarting : JackTransportRolling;
             client->GetClientControl()->fTransportSync = true; 
             client->GetClientControl()->fTransportTimebase = true; 
@@ -138,7 +138,7 @@ void JackTransportEngine::MakeAllLocating(JackClientInterface** table)
 }
 
 // RT
-void JackTransportEngine::CycleBegin(jack_nframes_t frame_rate, jack_time_t time) // really needed?? (would be done in CycleEnd...)
+void JackTransportEngine::CycleBegin(jack_nframes_t frame_rate, jack_time_t time)
 {
     jack_position_t* pending = WriteNextStateStart(1); // Update "pending" state
     pending->usecs = time;