Update website/docs/language/modules/sources.mdx

Co-authored-by: runephilosof-karnovgroup <101270124+runephilosof-karnovgroup@users.noreply.github.com>

website/docs/language/modules/sources.mdx

@@ -263,10 +263,15 @@ to reduce the time taken to retrieve the remote repository.
 The `depth` URL argument corresponds to
 [the `--depth` argument to `git clone`](https://git-scm.com/docs/git-clone#Documentation/git-clone.txt---depthltdepthgt),
 instructs the Git to create a shallow clone with the history truncated to only
-the specified number of commits. For example, if you want to perform a shallow clone with only the last 3 commits
-of a repository, you would use the `--depth=3` parameter in the clone URL
-like git::https://example.com/vpc.git?depth=3&ref=v1.2.0. This would fetch only the most recent 3 commits along with
-the necessary data, making the clone faster and more efficient, especially for large repositories.
+the specified number of commits. 
+Because Terraform only uses the most recent selected commit to find the source
+code of your specified module, it is not typically useful to set `depth`
+to any value other than `1`.
+```hcl
+module "vpc" {
+  source = "git::https://example.com/vpc.git?depth=1&ref=v1.2.0"
+}
+```
 
 However, because shallow clone requires different Git protocol behavior,
 setting the `depth` argument makes Terraform pass your [`ref` argument](#selecting-a-revision),