Documentation tweaks in grpc.h.

include/grpc/grpc.h

@@ -44,7 +44,7 @@
 extern "C" {
 #endif
 
-/* Completion Channels enable notification of the completion of asynchronous
+/* Completion Queues enable notification of the completion of asynchronous
    actions. */
 typedef struct grpc_completion_queue grpc_completion_queue;
 
@@ -156,7 +156,8 @@ typedef enum grpc_op_error {
 struct grpc_byte_buffer;
 typedef struct grpc_byte_buffer grpc_byte_buffer;
 
-/* Sample helpers to obtain byte buffers (these will certainly move place */
+/* Sample helpers to obtain byte buffers (these will certainly move
+   someplace else) */
 grpc_byte_buffer *grpc_byte_buffer_create(gpr_slice *slices, size_t nslices);
 grpc_byte_buffer *grpc_byte_buffer_copy(grpc_byte_buffer *bb);
 size_t grpc_byte_buffer_length(grpc_byte_buffer *bb);