Adding some notes on coding style in python readme.

README.Python

@@ -6,3 +6,16 @@ interconnection between them.
 
 Once done, the newly Python sources will be shaped into modules and
 subcommands properly.
+
+---
+
+Some notes on coding style:
+
+  * live-build commands should be *prefixed* with the stage:
+    chroot-includes, not includes-chroot; -> tab-completion
+
+  * directories/files in the config directory should be *suffixed* with the stage:
+    includes.chroot, not chroot.includes; -> sort-order
+
+  * cli arguments should be *suffixed* with the stage:
+    --mirror-bootstrap, not --bootstrap-mirror; -> tab-completion