diff --git a/apps/usgs/README.md b/apps/usgs/README.md
index 304c1b761..f8c91f0a6 100644
--- a/apps/usgs/README.md
+++ b/apps/usgs/README.md
@@ -26,7 +26,7 @@ Simple interface will display most current data for the specified location when
 
 ## Controls
 
-No controls currently
+Press button (middle on Bangle 1) once to refresh data, twice to return to launcher.
 
 ## Creator