diff --git a/src/xenia/kernel/xam/xam_net.cc b/src/xenia/kernel/xam/xam_net.cc
index 6fc3db0cc..6c4fed539 100644
--- a/src/xenia/kernel/xam/xam_net.cc
+++ b/src/xenia/kernel/xam/xam_net.cc
@@ -288,6 +288,9 @@ dword_result_t NetDll_WSACleanup_entry(dword_t caller) {
 }
 DECLARE_XAM_EXPORT1(NetDll_WSACleanup, kNetworking, kImplemented);
 
+// Instead of using dedicated storage for WSA error like on OS.
+// Xbox shares space between normal error codes and WSA errors.
+// This under the hood returns directly value received from RtlGetLastError.
 dword_result_t NetDll_WSAGetLastError_entry() {
   return XThread::GetLastError();
 }