diff --git a/README.md b/README.md
index c065c2e..7a90dfc 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,26 @@
 # <project-name>
 
-## Packages
+## Nix Flake commands
 
 ```sh
-nixe run "git+https://gitlab.com/codeguesser/code_guesser.sh.git?ref=flake&dir=pkgs/nix" examples/example.c
+# nix flake are  experimental and required following options --experimental-features 'nix-command flakes'
+# create alias for nix --experimental-features 'nix-command flakes'
 
-nixe run ./pkgs/nix examples/example.c
+alias nixe && echo Alias for nixe exists || alias nixe="nix --experimental-features 'nix-command flakes'"
 
-nixe run "gitlab:codeguesser/code_guesser.sh/flake?dir=pkgs/nix" examples/example.c
+# build 
+nixe build
+
+# run
+nixe run
+
+# open development shell
+nixe develop
+
+# update flake.lock
+nixe run .#devTasks.updateFlakeLock
+
+# tag project
+nixe run .#devTasks.autoTag
 
 ```
\ No newline at end of file
diff --git a/flake.nix b/flake.nix
index e7fd664..cca53f4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,9 +4,18 @@
 
   outputs = { self, nixpkgs }:
     let
+      name = "example.sh";
+      version = "0.0.1";
       supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
       forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
       nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
+      devTaskScripts = forAllSystems (system:
+        {
+          autoTag = nixpkgsFor.${system}.writeShellScriptBin "auto_tag.sh" ''
+            git tag --force v${version}
+            git push origin v${version}
+          '';
+        });
     in
     rec {
       packages = forAllSystems (system:
@@ -30,11 +39,10 @@
           default = { type = "app"; program = "${packages.${system}.default}/bin/hello.sh"; };
           devTasks = {
             updateFlakeLock = { type = "app"; program = "${updateLockScript}/bin/update_flake_lock.sh"; };
+            autoTag = { type = "app"; program = "${devTaskScripts.${system}.autoTag}/bin/auto_tag.sh"; };
           };
         });
 
-
-
       devShells = forAllSystems (system:
         {
           default = nixpkgsFor.${system}.mkShell {
@@ -47,10 +55,10 @@
         });
 
       hydraJobs = {
-        tarball = nixpkgsFor.x86_64-linux.releaseTools.sourceTarball rec {
-          name = "example.sh";
+        tarball = nixpkgsFor.x86_64-linux.releaseTools.sourceTarball {
+          name = name;
           src = self;
-          version = "0.0.1";
+          version = version;
           officialRelease = true;
           bootstrapBuildInputs = [ ];
           distPhase = ''
@@ -61,11 +69,7 @@
 
         runCommandHook = {
           recurseForDerivations = { };
-          example = forAllSystems (system:
-            nixpkgsFor.${system}.writeShellScriptBin "example_hook.sh" ''
-              echo foo
-            ''
-          );
+          autoTag = devTaskScripts.x86_64-linux.autoTag;
         };
       };
     };