diff --git a/doc/opencv.md b/doc/opencv.md
index b7786f38d51d9e4f640d1215c255e22a05e447a7..57a7a5ef29ecac0c34b721ada04d32ad3e0e7498 100644
--- a/doc/opencv.md
+++ b/doc/opencv.md
@@ -32,9 +32,6 @@ Notes on parameters:
 ### [`cv::bitwise_and()`](https://docs.opencv.org/4.10.0/d2/de8/group__core__array.html#ga60b4d04b251ba5eb1392c34425497e14)
 Bitwise conjunction of two arrays.
 
-Notes on parameters:
-* `src1.depth() == src2.depth()` - only support `CV_8U`.
-
 ### [`cv::cvtColor()`](https://docs.opencv.org/4.10.0/d8/d01/group__imgproc__color__conversions.html#ga397ae87e1288a81d2363b61574eb8cab)
 Converts the color space of an image.