add missing word

source/recipes/best-practices.md

@@ -215,7 +215,7 @@ If the Nix file containing this expression is in `/home/myuser/myproject`, then
 The problem is that now your build is no longer reproducible, as it depends on the parent directory name.
 That cannot declared in the source code, and results in an impurity.
 
-If someone builds the project in a directory with a different name, they will get a different for `src` and everything that depends on it.
+If someone builds the project in a directory with a different name, they will get a different store path hash for `src` and everything that depends on it.
 
 :::{tip}
 Use [`builtins.path`](https://nixos.org/manual/nix/stable/language/builtins.html#builtins-path) with the `name` attribute set to something fixed.