diff --git a/ci/docker-rust-nightly/README.md b/ci/docker-rust-nightly/README.md
index 62741deb1b..16e36d2e11 100644
--- a/ci/docker-rust-nightly/README.md
+++ b/ci/docker-rust-nightly/README.md
@@ -7,7 +7,7 @@ organization, but it is also automatically updated periodically by
 
 ## Moving to a newer nightly
 
-We pin the version of nightly (see the `ARG nightly=xyz` line in `Dockerfile)
+We pin the version of nightly (see the `ARG nightly=xyz` line in `Dockerfile`)
 to avoid the build breaking at unexpected times, as occasionally nightly will
 introduce breaking changes.
 
@@ -16,6 +16,21 @@ To update the pinned version:
 1. Run `ci/docker-rust-nightly/build.sh` to rebuild the nightly image locally
 1. Run `SOLANA_DOCKER_RUN_NOSETUID=1 ci/docker-run.sh --nopull solanalabs/rust-nightly ci/test-nightly.sh` to
    confirm the new nightly image builds.  Fix any issues as needed
+1. Run `docker login` to enable pushing images to Docker Hub, if you're authorized.
 1. Run `CI=true ci/docker-rust-nightly/build.sh` to push the new nightly image to dockerhub.com.
    **Note that all CI may be broken now until the next step is completed.**
 1. Merge the update to `ARG nightly=xyz` and any codebase adjustments needed.
+
+
+## Troubleshooting
+
+### Resource is denied
+
+When running `CI=true ci/docker-rust-nightly/build.sh`, you see:
+
+```
+denied: requested access to the resource is denied
+```
+
+Run `docker login` to enable pushing images to Docker Hub. Contact @mvines or @garious
+to get write access.