Fix typo in development guide
@@ -26,7 +26,7 @@ The [Quickstart for Docker](https://cloud.google.com/cloud-build/docs/quickstart
* In Linux, you can run the following one-line bash script to compile all the images for the first time, and push them to your gcr.io registry. You must enable the [Container Registry API](https://console.cloud.google.com/flows/enableapi?apiid=containerregistry.googleapis.com) first.
```
# First, build the 'base' image. Some other images depend on this so it must complete first.
- gcloud build submit --config cloudbuild_base.yaml
+ gcloud builds submit --config cloudbuild_base.yaml
# Build all other images.
for dfile in $(ls Dockerfile.* | grep -v base); do gcloud builds submit --config cloudbuild_${dfile##*.}.yaml & done
```
