diff --git a/DHT.cpp b/DHT.cpp
index 91393c7..efcd98c 100644
--- a/DHT.cpp
+++ b/DHT.cpp
@@ -26,7 +26,7 @@
 #include "DHT.h"
 
 #define MIN_INTERVAL 2000 /**< min interval value */
-#define TIMEOUT -1        /**< timeout on */
+#define TIMEOUT UINT32_MAX /**< Used programmatically for timeout. Not a timeout duration. Type: uint32_t. */
 
 /*!
  *  @brief  Instantiates a new DHT class