Misc. modules/ cont. pt2

Found via `codespell`

modules/cudaobjdetect/include/opencv2/cudaobjdetect.hpp

@@ -115,7 +115,7 @@ public:
     virtual int getNumLevels() const = 0;
 
     //! Threshold for the distance between features and SVM classifying plane.
-    //! Usually it is 0 and should be specfied in the detector coefficients (as the last free
+    //! Usually it is 0 and should be specified in the detector coefficients (as the last free
     //! coefficient). But if the free coefficient is omitted (which is allowed), you can specify it
     //! manually here.
     virtual void setHitThreshold(double hit_threshold) = 0;

modules/cudaobjdetect/src/cascadeclassifier.cpp

@@ -574,7 +574,7 @@ namespace
                 int totalWidth = level.workArea.width / step;
                 total += totalWidth * (level.workArea.height / step);
 
-                // go to next pyramide level
+                // go to next pyramid level
                 level = level.next(scaleFactor_, image.size(), NxM, minObjectSize_);
                 area = level.workArea;