Fix grammar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118340 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index b41b71d..1dbf6a9 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -261,7 +261,7 @@
     assert(N == 2 && isMemMode5() && "Invalid number of operands!");
 
     Inst.addOperand(MCOperand::CreateReg(Mem.BaseRegNum));
-    assert(!Mem.OffsetIsReg && "invalid mode 5 operand");
+    assert(!Mem.OffsetIsReg && "Invalid mode 5 operand");
 
     // FIXME: #-0 is encoded differently than #0. Does the parser preserve
     // the difference?
@@ -424,7 +424,7 @@
 ARMOperand *ARMAsmParser::ParseRegisterList() {
   SMLoc S, E;
   assert(Parser.getTok().is(AsmToken::LCurly) &&
-         "Token is not an Left Curly Brace");
+         "Token is not a Left Curly Brace");
   S = Parser.getTok().getLoc();
   Parser.Lex(); // Eat left curly brace token.
 
@@ -486,7 +486,7 @@
 ARMOperand *ARMAsmParser::ParseMemory() {
   SMLoc S, E;
   assert(Parser.getTok().is(AsmToken::LBrac) &&
-         "Token is not an Left Bracket");
+         "Token is not a Left Bracket");
   S = Parser.getTok().getLoc();
   Parser.Lex(); // Eat left bracket token.