boards: disco_l475_iot1: add ST reference to doc name
ST official reference for this board is B-L475E-IOT01A.
While not used in zephyr, add reference in documentaion title.
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
diff --git a/boards/arm/disco_l475_iot1/doc/disco_l475_iot1.rst b/boards/arm/disco_l475_iot1/doc/disco_l475_iot1.rst
index c6c8896..aeffc37 100644
--- a/boards/arm/disco_l475_iot1/doc/disco_l475_iot1.rst
+++ b/boards/arm/disco_l475_iot1/doc/disco_l475_iot1.rst
@@ -1,7 +1,7 @@
.. _disco_l475_iot1_board:
-ST Disco L475 IOT01
-###################
+ST Disco L475 IOT01 (B-L475E-IOT01A)
+####################################
Overview
********
