review: fix typo

Author: inbelic

llvm/test/CodeGen/DirectX/llc-pipeline.ll

@@ -33,7 +33,7 @@
 ; CHECK-NEXT:   DXIL Translate Metadata
 ; CHECK-NEXT:   DXIL Post Optimization Validation
 ; CHECK-NEXT:   DXIL Op Lowering
-; CHECK-NEXT: DXIL Root Signature Analysis
+; CHECK-NEXT:   DXIL Root Signature Analysis
 ; CHECK-NEXT:   DXIL Prepare Module
 
 ; CHECK-ASM-NEXT: DXIL Metadata Pretty Printer