Update sensor-architecture.md link

sensor-architecture.md is moving under architecture/ as part of
https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/26251/

26251 should merge before this is merged.

Change-Id: I0e2b6cd45642c12ffb389be830cf89ae552d1ebd
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/phosphor-regulators/docs/config_file/pmbus_read_sensor.md b/phosphor-regulators/docs/config_file/pmbus_read_sensor.md
index 3a0b451..06c62ac 100644
--- a/phosphor-regulators/docs/config_file/pmbus_read_sensor.md
+++ b/phosphor-regulators/docs/config_file/pmbus_read_sensor.md
@@ -47,7 +47,7 @@
 
 ### D-Bus Sensor
 A [D-Bus sensor
-object](https://github.com/openbmc/docs/blob/master/sensor-architecture.md)
+object](https://github.com/openbmc/docs/blob/master/architecture/sensor-architecture.md)
 will be created on the BMC to store the sensor value.  This makes the sensor
 available to external interfaces like Redfish.