diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 86aada3b80a..4966a614d37 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -378,7 +378,7 @@ namespace llvm {
               SmallVector<VNInfo*, 16> &NewVNInfo);
 
     /// removeRange - Remove the specified range from this interval.  Note that
-    /// the range must already be in this interval in its entirety.
+    /// the range must be a single LiveRange in its entirety.
     void removeRange(unsigned Start, unsigned End, bool RemoveDeadValNo = false);
 
     void removeRange(LiveRange LR, bool RemoveDeadValNo = false) {
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index ff430d71c7d..4392652438c 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -246,7 +246,7 @@ LiveInterval::addRangeFrom(LiveRange LR, iterator From) {
 
 
 /// removeRange - Remove the specified range from this interval.  Note that
-/// the range must already be in this interval in its entirety.
+/// the range must be in a single LiveRange in its entirety.
 void LiveInterval::removeRange(unsigned Start, unsigned End,
                                bool RemoveDeadValNo) {
   // Find the LiveRange containing this span.