Update sensor configuration documentation.
Change-Id: If2fcbb26670065a769d1463e4080f36093622e64
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/sensor-architecture.md b/sensor-architecture.md
index 9c139b7..980f979 100644
--- a/sensor-architecture.md
+++ b/sensor-architecture.md
@@ -189,6 +189,15 @@
With that level of system information, the sensor infrastructure code can
provide all needed D-Bus properties.
+Optionally you can provide an interval value in microseconds for a sensor
+configuration file:
+
+```
+INTERVAL=1000000
+```
+
+This configures how often the sensors listed in this configuration should be
+read.
#### My sensors are defined in an MRW ####