diff --git a/src/turboPmacController.cpp b/src/turboPmacController.cpp
index f4426b0..15463fb 100644
--- a/src/turboPmacController.cpp
+++ b/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;