diff --git a/bin/README.md b/bin/README.md
index be22023b..1006d71c 100644
--- a/bin/README.md
+++ b/bin/README.md
@@ -79,4 +79,20 @@ Why to deploy my data?
     * Can integrate access control (?)
 * Deploys a data API
 * [Other integrations e.g. push to google spreadsheets]
-* Dashboard showing your DataHub/Portal projects
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+* Dashboard showing your DataHub/Portal projects
+
+### Extra supported commands 
+You can directly specify a folder to build from:
+```bash
+portal show path=\some\path\dataset 
+```
+
+Optional args you can pass yo the show command are:
+
+- path: The path to a dataset directory. If blank, defaults to current working directory
+- port: The port number to display your dataset in. Defaults to 3000.
+- npm: Whether or not to use npm when install packages. Defaults to `false`, uses yarn. 
+
+```
+portal show [path=/some/path/dataset | port=4000 | npm=true]
+```
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