X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/6faff5910b3e7bdaf47ab5ede7cf8094a1b4adb9..f0a64666816383d2641d5fa7ea22019441ac4464:/README.md

diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -46,10 +46,18 @@ Currently this configuration schema is supported:
 }
 ```
 
+#### API_HOST
+
+The Arvados base URL. 
+
+The `REACT_APP_ARVADOS_API_HOST` environment variable can be used to set the default URL if the run time configuration is unreachable.
+
 #### VOCABULARY_URL
 Local path, or any URL that allows cross-origin requests. See 
 [Vocabulary JSON file example](public/vocabulary-example.json).
 
+To use the URL defined in the Arvados cluster configuration, remove the entire `VOCABULARY_URL` entry from the runtime configuration. Found in `/config.json` by default.
+
 ### FILE_VIEWERS_CONFIG_URL
 Local path, or any URL that allows cross-origin requests. See:
 
@@ -57,6 +65,8 @@ Local path, or any URL that allows cross-origin requests. See:
 
 [File viewers config scheme](src/models/file-viewers-config.ts)
 
+To use the URL defined in the Arvados cluster configuration, remove the entire `FILE_VIEWERS_CONFIG_URL` entry from the runtime configuration. Found in `/config.json` by default.
+
 ### Licensing
 
 Arvados is Free Software. See COPYING for information about Arvados Free