diff --git a/source/recipes/devshell/env-var/main.adoc0 b/source/recipes/devshell/env-var/main.adoc0
index 0d533d7..456445d 100644
--- a/source/recipes/devshell/env-var/main.adoc0
+++ b/source/recipes/devshell/env-var/main.adoc0
@@ -23,9 +23,9 @@ Here's a demonstration using the shell.
 ....
 $ echo "FOO=${FOO}"
 $# ../../../../../start-shell nix develop <<EOL
-$ echo "FOO=$${FOO}"
+$ echo "FOO=${FOO}"
 $ env
-$ echo $$FOO
+$ echo $FOO
 $# EOL
 ....
 
diff --git a/source/recipes/devshell/env-var/tempwork/flake.nix b/source/recipes/devshell/env-var/tempwork/flake.nix
index a724a07..7d462f8 100644
--- a/source/recipes/devshell/env-var/tempwork/flake.nix
+++ b/source/recipes/devshell/env-var/tempwork/flake.nix
@@ -14,7 +14,6 @@
           default = pkgs.mkShell {
             shellHook = ''
               export FOO="bar"
-              env
             '';
           };
         };