-# binary, sand run it once to generate adventure.data, then switch
-# back to master leaving advent430 and adventure.data in place (make
-# clean does not remove them).
+# binary, run it once to generate adventure.data, then switch back to
+# master leaving advent430 and adventure.data in place (make clean
+# does not remove them).
+#
+# make clean # Clean up object files, laving a bare source tree
+# git checkout advent430 # Check out the advent430 branch
+# make # Build the advent430 binary
+# advent430 # Run it. Answer the novice question and quit
+# make clean # Remove .o files
+# git checkout master # Go back to master branch
+# make # Rebuild advent.