Fix some typos in modules/.

modules/dnn/src/darknet/darknet_io.cpp

@@ -791,7 +791,7 @@ namespace cv {
                             if (layers_vec.size() > 1)
                             {
                                 // layer ids in layers_vec - inputs of Slice layers
-                                // after adding offset to layers_vec: layer ids - ouputs of Slice layers
+                                // after adding offset to layers_vec: layer ids - outputs of Slice layers
                                 for (size_t k = 0; k < layers_vec.size(); ++k)
                                     layers_vec[k] += layers_vec.size();
 

modules/dnn/src/onnx/opencv-onnx.proto

@@ -61,7 +61,7 @@ enum Version {
   // The version field is always serialized and we will use it to store the
   // version that the  graph is generated from. This helps us set up version
   // control.
-  // For the IR, we are using simple numbers starting with with 0x00000001,
+  // For the IR, we are using simple numbers starting with 0x00000001,
   // which was the version we published on Oct 10, 2017.
   IR_VERSION_2017_10_10 = 0x0000000000000001;