Update typo in user_manual.md
Fix small typo in documentation
@@ -128,7 +128,7 @@ Docker-client is packaged with a few implementations of this interface
- `auth.FixedRegistryAuthSupplier` which uses a fixed instance of the
`RegistryAuth` and `RegistryConfigs` POJOs
- `auth.gcr.ContainerRegistryAuthSupplier`, which programmatically fetches
- access tokens for use with Google Container Registry based on given Gogole
+ access tokens for use with Google Container Registry based on given Google
Cloud account credentials
- `auth.MultiRegistryAuthSupplier`, which can be used to combine multiple other
implementations
