diff --git a/c64/,,config_mega65.s b/c64/,,config_mega65.s
index 87586d45..88c08d5b 100644
--- a/c64/,,config_mega65.s
+++ b/c64/,,config_mega65.s
@@ -43,6 +43,7 @@
 
 #define CONFIG_IEC
 #define CONFIG_IEC_BLANK_SCREEN
+// #define CONFIG_IEC_DOLPHINDOS
 #define CONFIG_IEC_JIFFYDOS
 
 // #define CONFIG_TAPE_NORMAL
diff --git a/c64/kernal/iec/load_iec.s b/c64/kernal/iec/load_iec.s
index ccbff761..16031cc3 100644
--- a/c64/kernal/iec/load_iec.s
+++ b/c64/kernal/iec/load_iec.s
@@ -95,7 +95,7 @@ load_iec:
 
 #if (CONFIG_IEC_JIFFYDOS || CONFIG_IEC_DOLPHINDOS) && !CONFIG_MEMORY_MODEL_60K
 
-	// If feasible, use JiffyDOS optimized LOAD loop
+	// If feasible, use protocol-specific optimized LOAD loop
 
 	lda VERCKK
 	bne load_iec_loop                  // branch if VERIFY