diff --git a/README.md b/README.md
index b5dbdde..f6a1ea6 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 Repository with instructions and remarks on assembling and testing Sinara hardware
 
-### Build docs
+## Build docs
 
 ```shell
 nix build
@@ -17,7 +17,19 @@ nix develop
 mdbook build
 ```
 
-The output files are in `book` directory.
+The output files will be in `book` directory.
+
+### Alternative way
+
+Since the docs builder depends only on mdBook, you may get it from anywhere you like - `nix-shell -p mdbook`, 
+`snap install mdbook`, `cargo install mdbook` or any other from your OS.
+After that you will be able to do:
+
+```shell
+mdbook build
+```
+
+The output files will be in `book` directory.
 
 ## Contributing