diff --git a/docs/implementing_a_command.md b/docs/implementing_a_command.md
index ef0504a842..41eb2fcaaa 100644
--- a/docs/implementing_a_command.md
+++ b/docs/implementing_a_command.md
@@ -86,7 +86,7 @@ pub struct Command;
 
 Before registering it to the context you need to make it available by declaring the module and re-export it in `crates/nu-command/src/commands.rs`. The commands we write are modules already (`take_two.rs` is the `take_two` module). In case you are not familiar with rust modules [read this refresher](https://doc.rust-lang.org/book/ch07-02-defining-modules-to-control-scope-and-privacy.html). Let's go ahead and declare it and then re-export the command's `Command` struct as `TakeTwo`, like so:
 
-_nu-command/src/commands.rs_
+_nu-command/src/mod.rs_
 ```rust
 # ...
 pub(crate) mod take_two;
@@ -267,4 +267,4 @@ Not bad. We created first a list of int values and took two of them. Let's creat
 ───┴──────────
 ```
 
-The command is ready.
\ No newline at end of file
+The command is ready.