diff --git a/lib/Target/MSP430/MSP430TargetMachine.cpp b/lib/Target/MSP430/MSP430TargetMachine.cpp
index 5b86702..cf4464d 100644
--- a/lib/Target/MSP430/MSP430TargetMachine.cpp
+++ b/lib/Target/MSP430/MSP430TargetMachine.cpp
@@ -38,6 +38,7 @@
 MSP430TargetMachine::MSP430TargetMachine(const Module &M,
                                          const std::string &FS) :
   Subtarget(*this, M, FS),
+  // FIXME: Check TargetData string.
   DataLayout("e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"),
   InstrInfo(*this), TLInfo(*this),
   FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0) { }