diff --git a/6502.py b/6502.py
old mode 100755
new mode 100644
diff --git a/65c02.py b/65c02.py
old mode 100755
new mode 100644
diff --git a/6800.py b/6800.py
old mode 100755
new mode 100644
diff --git a/6809.py b/6809.py
old mode 100755
new mode 100644
diff --git a/6811.py b/6811.py
old mode 100755
new mode 100644
diff --git a/8080.py b/8080.py
old mode 100755
new mode 100644
diff --git a/udis.py b/udis.py
index 1410a0d..197ca58 100755
--- a/udis.py
+++ b/udis.py
@@ -58,7 +58,7 @@ try:
     exec(open(plugin).read())
 except FileNotFoundError:
     print(("error: CPU plugin file '{}' not found.".format(plugin)), file=sys.stderr)
-    print("The following CPUs are supported: 6502 65c02 6800 6811 8080 z80")
+    print("The following CPUs are supported: 6502 65c02 6800 6809 6811 8080 z80")
     sys.exit(1)
 
 # Get filename from command line arguments.