diff --git a/include/mynteye/types.h b/include/mynteye/types.h
index 4e5bf7e..b3a04db 100644
--- a/include/mynteye/types.h
+++ b/include/mynteye/types.h
@@ -155,7 +155,7 @@ enum class Option : std::uint8_t {
   /**
    * Image contrast, valid if manual-exposure
    * <p>
-   *   range: [0,255], default: 127
+   *   range: [0,254], default: 116
    * </p>
    */
   CONTRAST,