diff --git a/src/3-git.adoc b/src/3-git.adoc
index 14fa2d3..1e43823 100644
--- a/src/3-git.adoc
+++ b/src/3-git.adoc
@@ -39,10 +39,9 @@ $ sudo apt install git tig git-cola
 +
 [source,shell]
 ----
-$ nix-env -iA nixos.gitAndTools.gitFull nixos.tig nixos.git-cola
+$ nix-shell -p gitFull tig git-cola
 ----
 
-
 === Installation: Windows
 
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