diff --git a/lib/Analysis/RegionInfo.cpp b/lib/Analysis/RegionInfo.cpp
index 1ef3e919d41..2bd611350f4 100644
--- a/lib/Analysis/RegionInfo.cpp
+++ b/lib/Analysis/RegionInfo.cpp
@@ -81,7 +81,7 @@ RegionInfo::~RegionInfo() = default;
 bool RegionInfo::invalidate(Function &F, const PreservedAnalyses &PA,
                             FunctionAnalysisManager::Invalidator &) {
   // Check whether the analysis, all analyses on functions, or the function's
-  // CFG have been preserved.
+  // CFG has been preserved.
   auto PAC = PA.getChecker<RegionInfoAnalysis>();
   return !(PAC.preserved() || PAC.preservedSet<AllAnalysesOn<Function>>() ||
            PAC.preservedSet<CFGAnalyses>());