Fix this comment.

llvm-svn: 66065

llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp

@@ -460,7 +460,8 @@ static bool getSCEVStartAndStride(const SCEVHandle &SH, Loop *L,
 
   // If Start contains an SCEVAddRecExpr from a different loop, other than an
   // outer loop of the current loop, reject it.  SCEV has no concept of 
-  // operating on one loop at a time so don't confuse it with such expressions.
+  // operating on more than one loop at a time so don't confuse it with such
+  // expressions.
   if (containsAddRecFromDifferentLoop(AddRec->getOperand(0), L))
     return false;