Address code review

Author: JohnTitor

docs/ARCHITECTURE.md

@@ -34,8 +34,6 @@ These files and directories have to do with the backend:
 * `src/` - The backend's source code
 * `target/` - Compiled output, including dependencies and final binary artifacts - (ignored in
   `.gitignore`)
-* `tmp/index-bare` - The registry repository; in production this is cloned from Github and in
-  development from `tmp/index-bare` - (ignored in `.gitignore`)
 
 The backend stores information in a Postgres database.
 

docs/CONTRIBUTING.md

@@ -455,7 +455,7 @@ cargo publish --index file:///path/to/your/crates.io/tmp/index-bare --token $YOU
 
 > If you're using an older version of cargo you should use `--host` instead of `--index`.
 
-where `file:///path/to/your/crates.io/checkout` is the directory that you have
+where `file:///path/to/your/crates.io` is the directory that you have
 crates.io's code in, and `tmp/index-bare` is the directory with the git index
 that `./script/init-local-index.sh` set up.