Add a few comments

Author: jeffbloo

Samples/CustomOperator/desktop/cpp/operators/customoperatorprovider.h

@@ -24,18 +24,21 @@ struct CustomOperatorProvider :
 
     void RegisterSchemas()
     {
+        // Register a Relu operator schemain a custom domain ("MyReluDomain" version 1)
         ReluOperator::RegisterReluSchema(m_registry);
+		
+        // Register a NoisyRelu operator schemain a custom domain ("MyNoisyReluDomain" version 1)
         NoisyReluOperatorFactory::RegisterNoisyReluSchema(m_registry);
 
         DebugOperatorFactory::RegisterDebugSchema(m_registry);
     }
 
     void RegisterKernels()
     {
-        // Replace the Relu operator kernel
+        // Register a CPU Relu kernel in a custom domain ("MyReluDomain" version 1)
         CpuReluOperatorFactory::RegisterReluKernel(m_registry);
 
-        // Replace the Relu operator kernel
+        // Register a GPU Relu kernel in a custom domain ("MyReluDomain" version 1)
         GpuReluOperatorFactory::RegisterReluKernel(m_registry);
 
         // Add a new operator kernel for Relu