README: Detail configuration environment variable.

geofurlong · Apr 14, 2024 · 2829102 · 2829102
1 parent 7f64cc1
commit 2829102
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -166,6 +166,8 @@ Within the Ordnance Survey data source, several populated places are present whi
 
 ### Directory Structure
 
+The builder process reads the environment variable `GEOFURLONG_ROOT` to define the root directory.
+
 |Directory|Contents|
 | :--- | :--- |
 |`(root)`|Configuration file|