Fix Bazel capitalization in docs
Closes
@@ -31,7 +31,7 @@ The solution that's currently implemented:
`/private/var/tmp` on macOS, and on Windows it defaults to `%HOME%` if set,
else `%USERPROFILE%` if set, else the result of calling
`SHGetKnownFolderPath()` with the `FOLDERID_Profile` flag set. If the
- environment variable `$TEST_TMPDIR` is set, as in a test of bazel itself,
+ environment variable `$TEST_TMPDIR` is set, as in a test of Bazel itself,
then that value overrides the default.
* The Bazel user's build state is located beneath `outputRoot/_bazel_$USER`.
This is called the _outputUserRoot_ directory.
