[PowerPC][NFC]Fix typo in desc for enable-ppc-prefetching

diff --git a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
index 40b790f..d548e7a 100644 (file)
--- a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -77,7 +77,7 @@ EnableGEPOpt("ppc-gep-opt", cl::Hidden,
 
 static cl::opt<bool>
 EnablePrefetch("enable-ppc-prefetching",
-                  cl::desc("disable software prefetching on PPC"),
+                  cl::desc("enable software prefetching on PPC"),
                   cl::init(false), cl::Hidden);
 
 static cl::opt<bool>