diff --git a/llvm/tools/llvmc/example/mcc16/plugins/PIC16Base/PluginMain.cpp b/llvm/tools/llvmc/example/mcc16/plugins/PIC16Base/PluginMain.cpp
index 151675f82aa583d41fe2e55bcc148ebbc9244c70..96dd296df6ef63a313dac3bbd5a34db1dde0508a 100644
--- a/llvm/tools/llvmc/example/mcc16/plugins/PIC16Base/PluginMain.cpp
+++ b/llvm/tools/llvmc/example/mcc16/plugins/PIC16Base/PluginMain.cpp
@@ -10,6 +10,8 @@ namespace llvmc {
 }
 
 // Returns the platform specific directory separator via #ifdefs.
+// FIXME: This currently work on linux and windows only. It does not 
+// work on other unices. 
 static std::string GetDirSeparator(void) {
 #ifdef __linux__
   return "/";