diff --git a/.envrc b/.envrc
index edebaae71..3b652496e 100644
--- a/.envrc
+++ b/.envrc
@@ -20,3 +20,8 @@ PATH_add "$out/bin"
 
 watch_file tools/depot-deps.nix
 watch_file third_party/sources/sources.json
+watch_file snix/shell.nix
+
+# Activate snix development shell
+# FUTUREWORK: merge together (#65)
+use nix -A snix.shell
diff --git a/web/content/docs/guides/building.md b/web/content/docs/guides/building.md
index 466e88da9..7c5742ad4 100644
--- a/web/content/docs/guides/building.md
+++ b/web/content/docs/guides/building.md
@@ -36,7 +36,6 @@ $ git clone https://git.snix.dev/snix/snix.git
 ### Interactive development
 ```console
 $ direnv allow
-$ mg shell //snix:shell
 ```
 
 This provides all the necessary tools and dependencies to interactively build