[Hexagon] Fix comment in HexagonPacketizer::runOnMachineFunction

Patch by Wei-Ren Chen.

Differential Revision: https://reviews.llvm.org/D33439

llvm-svn: 303745
diff --git a/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp b/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp
index c21b6e2..cd47492 100644
--- a/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp
@@ -214,12 +214,12 @@
   for (auto &MB : MF) {
     auto Begin = MB.begin(), End = MB.end();
     while (Begin != End) {
-      // First the first non-boundary starting from the end of the last
+      // Find the first non-boundary starting from the end of the last
       // scheduling region.
       MachineBasicBlock::iterator RB = Begin;
       while (RB != End && HII->isSchedulingBoundary(*RB, &MB, MF))
         ++RB;
-      // First the first boundary starting from the beginning of the new
+      // Find the first boundary starting from the beginning of the new
       // region.
       MachineBasicBlock::iterator RE = RB;
       while (RE != End && !HII->isSchedulingBoundary(*RE, &MB, MF))