diff --git a/BUILD.md b/BUILD.md
index db81ecb30d..a1cbc5bcd6 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -1,6 +1,6 @@
 # General Build Information
 
-*Last Updated on June 27, 2020*
+*Last Updated on August 23, 2020*
 
 ### OS Specific Build Guides
 
@@ -80,6 +80,9 @@ Where /path/to/directory is the path to a directory where you wish the build fil
     // The type of release.
     RELEASE_TYPE=PRODUCTION|PR|DEV
     
+    // The Interface will have a custom default home and startup location.
+    INITIAL_STARTUP_LOCATION=Location/IP/URL
+    
     // TODO: What do these do?
     PRODUCTION_BUILD=0|1
     PR_BUILD=0|1