Fixed imprecise comment

src/turboPmacController.cpp

@@ -41,7 +41,7 @@ struct turboPmacControllerImpl {
     // User for writing int32 values to the port driver.
     asynUser *pasynInt32SyncIOipPort;
 
-    // Indices of additional PVs
+    // Indices of additional ParamLib entries
     int rereadEncoderPosition;
     int readConfig;
     int flushHardware;