diff --git a/readme.md b/readme.md
index 74bbc28..6db3e8a 100644
--- a/readme.md
+++ b/readme.md
@@ -72,12 +72,11 @@ make bundle
 ### Clean up
 
 1. Deactivate the virtual Python environment: ```deactivate```
-2. Clean up the build sources: ```make clean``` and ```rm -r build bundle```
+2. Clean up the build sources: ```make clean```
 
 # File System
 
 * `build`: build directory
-* `make.bat`:
-* `Makefile`:
+* `Makefile`: build configuration
 * `readme.md`: this file
 * `source`: source directory