typo in direnv.md (#2715)

## Summary

## How was it tested?

## Community Contribution License

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[Apache 2 License](https://www.apache.org/licenses/LICENSE-2.0).

By creating this pull request, I represent that I have the right to
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Signed-off-by: Timothy John Perisho Eccleston <[email protected]>

Author: combinatorist

docs/app/docs/ide_configuration/direnv.md

@@ -14,7 +14,7 @@ ___
 
 #### New Project
 
-If you have direnv installed, Devbox will generate an .envrc file when you run `devbox generate direnv` and enables it by running `direnv allow` in the background:
+If you have direnv installed, Devbox will generate an .envrc file when you run `devbox generate direnv` and enable it by running `direnv allow` in the background:
 
 ```bash
 ➜  devbox generate direnv