diff --git a/features/netsocket/NetworkInterface.h b/features/netsocket/NetworkInterface.h
index 117ea14cd2..40724a9d74 100644
--- a/features/netsocket/NetworkInterface.h
+++ b/features/netsocket/NetworkInterface.h
@@ -308,7 +308,7 @@ public:
      * By default, interfaces are in synchronous mode which means that
      * connect() or disconnect() blocks until it reach the target state or requested operation fails.
      *
-     * @param blocking Use true to set NetworkInterface in asynchronous mode.
+     * @param blocking Use false to set NetworkInterface in asynchronous mode.
      * @return NSAPI_ERROR_OK on success
      * @return NSAPI_ERROR_UNSUPPORTED if driver does not support asynchronous mode.
      * @return negative error code on failure.