diff --git a/README.md b/README.md
index 523b514..3153502 100644
--- a/README.md
+++ b/README.md
@@ -4,28 +4,34 @@ This Nix derivation provides an attribute set with each package referenced by it
 
 ## Quick try
 
-To quickly try a package `${PACKAGE_NAME}` from this repository, you can issue on the command line :
+To quickly try a package `${PACKAGE_NAME}` from the latest version of this repository, you can issue on the command line :
 
 ```bash
-nix-env -f 'https://git.marvid.fr/Tissevert/mynixpkgs/archive/0.1.1.tar.gz' -i ${PACKAGE_NAME}
+nix-env -f 'https://git.marvid.fr/Tissevert/mynixpkgs/archive/main.tar.gz' -i ${PACKAGE_NAME}
+```
+
+It's easy to pin a precise version by replacing `main` by the tag your interested in like so :
+
+```bash
+nix-env -f 'https://git.marvid.fr/Tissevert/mynixpkgs/archive/0.1.2.tar.gz' -i ${PACKAGE_NAME}
 ```
 
 ## Declarative setup
 
-To use this repository in a more reproducible and less imperative way, you can include the following snippet it in your `/etc/nixos/configuration.nix` or anywhere else you please :
+To use this repository declaratively from within a nix expression (say, in your `/etc/nixos/configuration.nix`) instead of from the command line, you can include the following snippet :
 
 ```nix
 let
   tissevertpkgs = import (
-    fetchTarball https://git.marvid.fr/Tissevert/mynixpkgs/archive/0.1.1.tar.gz
+    fetchTarball https://git.marvid.fr/Tissevert/mynixpkgs/archive/main.tar.gz
   ) {};
 in
 ```
 
-Then, anywhere where you select packages like for instance in `environment.systemPackages` or in your `users.users.<name>.packages` my packages are available within the attribute set `tissevertpkgs` like this for instance :
+Then, anywhere where you select packages, for instance in `environment.systemPackages` or in your `users.users.<name>.packages`, my packages are available within the attribute set `tissevertpkgs` like this for instance :
 
 ```nix
-packages = [ pkgs.git pkgs.vim tissevertpkgs.SJW ]
+packages = [ tissevertpkgs.SJW ]
 ```
 
 ## Current package selection