diff --git a/dist/iidx/iidxhook-25.conf b/dist/iidx/iidxhook-25.conf
index b7243e0..61a05c9 100644
--- a/dist/iidx/iidxhook-25.conf
+++ b/dist/iidx/iidxhook-25.conf
@@ -43,7 +43,7 @@ cam.device_id1=
 # Override camera device ID 2 detection (copy from device manager, do not escape)
 cam.device_id2=
 
-# Disable card reader emulation and enable usage of real card reader hardware on COM0 (for games supporting slotted readers)
+# Disable card reader emulation and enable usage of real card reader hardware on COM1 (for games supporting slotted readers)
 io.disable_card_reader_emu=false
 
 # Disable BIO2 emulation and enable usage of real BIO2 hardware
diff --git a/dist/iidx/iidxhook-26.conf b/dist/iidx/iidxhook-26.conf
index b7243e0..61a05c9 100644
--- a/dist/iidx/iidxhook-26.conf
+++ b/dist/iidx/iidxhook-26.conf
@@ -43,7 +43,7 @@ cam.device_id1=
 # Override camera device ID 2 detection (copy from device manager, do not escape)
 cam.device_id2=
 
-# Disable card reader emulation and enable usage of real card reader hardware on COM0 (for games supporting slotted readers)
+# Disable card reader emulation and enable usage of real card reader hardware on COM1 (for games supporting slotted readers)
 io.disable_card_reader_emu=false
 
 # Disable BIO2 emulation and enable usage of real BIO2 hardware
diff --git a/dist/iidx/iidxhook-27.conf b/dist/iidx/iidxhook-27.conf
index 01fc938..42f0709 100644
--- a/dist/iidx/iidxhook-27.conf
+++ b/dist/iidx/iidxhook-27.conf
@@ -1,4 +1,4 @@
-# Disable card reader emulation and enable usage of real card reader hardware on COM0 (for games supporting slotted readers)
+# Disable card reader emulation and enable usage of real card reader hardware on COM1 (for games supporting slotted readers)
 io.disable_card_reader_emu=false
 
 # Disable BIO2 emulation and enable usage of real BIO2 hardware
diff --git a/dist/iidx/iidxhook-28.conf b/dist/iidx/iidxhook-28.conf
index 465f493..3154052 100644
--- a/dist/iidx/iidxhook-28.conf
+++ b/dist/iidx/iidxhook-28.conf
@@ -1,4 +1,4 @@
-# Disable card reader emulation and enable usage of real card reader hardware on COM0 (for games supporting slotted readers)
+# Disable card reader emulation and enable usage of real card reader hardware on COM1 (for games supporting slotted readers)
 io.disable_card_reader_emu=false
 
 # Disable BIO2 emulation and enable usage of real BIO2 hardware
diff --git a/src/main/iidxhook8/config-io.c b/src/main/iidxhook8/config-io.c
index 22dc704..8cbb9b2 100644
--- a/src/main/iidxhook8/config-io.c
+++ b/src/main/iidxhook8/config-io.c
@@ -21,7 +21,7 @@ void iidxhook8_config_io_init(struct cconfig *config)
         IIDXHOOK8_CONFIG_IO_DEFAULT_DISABLE_CARD_READER_EMU_VALUE,
         "Disable card reader emulation and enable usage of real card "
         "reader "
-        "hardware on COM0 (for games supporting slotted readers)");
+        "hardware on COM1 (for games supporting slotted readers)");
 
     cconfig_util_set_bool(
         config,
diff --git a/src/main/iidxhook9/config-io.c b/src/main/iidxhook9/config-io.c
index a6f02a9..ba7ff45 100644
--- a/src/main/iidxhook9/config-io.c
+++ b/src/main/iidxhook9/config-io.c
@@ -28,7 +28,7 @@ void iidxhook9_config_io_init(struct cconfig *config)
         IIDXHOOK9_CONFIG_IO_DISABLE_CARD_READER_EMU_KEY,
         IIDXHOOK9_CONFIG_IO_DEFAULT_DISABLE_CARD_READER_EMU_VALUE,
         "Disable card reader emulation and enable usage of real card reader "
-        "hardware on COM0 (for games supporting slotted readers)");
+        "hardware on COM1 (for games supporting slotted readers)");
 
     cconfig_util_set_bool(
         config,