1 files changed, 10 insertions, 0 deletions
diff --git a/README b/README
index 9f8a5c3b8c..00aa6662b1 100644
--- a/README
+++ b/README
@@ -24,3 +24,13 @@ by Google. See below diagram for architecture.
   |   driverlib.       |
   +--------------------+
 
+
+
+Build Options
+=============
+
+- CONFIG_WATCHDOG_HELP
+
+	Try to detect a watchdog that is about to fire, and print a trace.
+	This is needed on STM32, where the independent watchdog has no early
+	warning feature and the windowed watchdog has a very short period.