Fix typo in imgproc.hpp

modules/imgproc/include/opencv2/imgproc.hpp

@@ -1227,7 +1227,7 @@ public:
                         OutputArray nfa = noArray()) = 0;
 
     /** @brief Draws the line segments on a given image.
-    @param _image The image, where the liens will be drawn. Should be bigger or equal to the image,
+    @param _image The image, where the lines will be drawn. Should be bigger or equal to the image,
     where the lines were found.
     @param lines A vector of the lines that needed to be drawn.
      */