1 files changed, 5 insertions, 0 deletions
diff --git a/xexcat.rst b/xexcat.rst
index cfb9a64..2e862b3 100644
--- a/xexcat.rst
+++ b/xexcat.rst
@@ -81,6 +81,11 @@ OPTIONS
   **dasm** file to a .xex, then combine the two .xex files with a
   second run of **xexcat**.
 
+-1
+  Output file will be an Atari DOS 1.0 executable. If there are any init
+  addresses in the input, you will be warned about them, since DOS 1.0
+  doesn't support the init mechanism.
+
 -h
   Print a short help message and exit.