Fix typo in error for extrinsic parameters

diff --git a/samples/cpp/stereo_calib.cpp b/samples/cpp/stereo_calib.cpp
index f042d63..667cffc 100644 (file)
--- a/samples/cpp/stereo_calib.cpp
+++ b/samples/cpp/stereo_calib.cpp
@@ -237,7 +237,7 @@ StereoCalib(const vector<string>& imagelist, Size boardSize, bool useCalibrated=
         fs.release();
     }
     else
-        cout << "Error: can not save the intrinsic parameters\n";
+        cout << "Error: can not save the extrinsic parameters\n";
 
     // OpenCV can handle left-right
     // or up-down camera arrangements