minor typeo fix in debugging section

kislyuk · May 1, 2014 · e1d86b6 · e1d86b6
1 parent ced45dd
commit e1d86b6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.rst b/README.rst
@@ -221,7 +221,7 @@ The file's contents should then be sourced in e.g. ``~/.bashrc``.
 
 Debugging
 ---------
-Set the ``ARC_DEBUG`` variable in your shell to enable verbose debug output every time argcomplete runs. Alternatively,
+Set the ``_ARC_DEBUG`` variable in your shell to enable verbose debug output every time argcomplete runs. Alternatively,
 you can bypass the bash completion shellcode altogether, and interact with the Python code directly with something like
 this::