diff --git a/docs/library/machine.WDT.rst b/docs/library/machine.WDT.rst
index ff534fd9b4cfcc742411d8da87a5717144ef660b..1d79b4c4ed460641e2a394d56457ff7d43df00d6 100644
--- a/docs/library/machine.WDT.rst
+++ b/docs/library/machine.WDT.rst
@@ -14,7 +14,7 @@ Example usage::
     wdt = WDT(timeout=2000)  # enable it with a timeout of 2s
     wdt.feed()
 
-Availability of this class: WiPy.
+Availability of this class: pyboard, WiPy.
 
 Constructors
 ------------