diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
index f7ca4f4c9045..a1b97df82afc 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
@@ -190,7 +190,7 @@ void Dwarf::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
         Asm->EmitULEB128Bytes(Offset);
         Asm->EOL("Offset");
       } else {
-        assert(0 && "Machine move no supported yet.");
+        assert(0 && "Machine move not supported yet.");
       }
     } else if (Src.isReg() &&
                Src.getReg() == MachineLocation::VirtualFP) {
@@ -200,7 +200,7 @@ void Dwarf::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
         Asm->EmitULEB128Bytes(RI->getDwarfRegNum(Dst.getReg(), isEH));
         Asm->EOL("Register");
       } else {
-        assert(0 && "Machine move no supported yet.");
+        assert(0 && "Machine move not supported yet.");
       }
     } else {
       unsigned Reg = RI->getDwarfRegNum(Src.getReg(), isEH);