[PassManager] Fix typo in comment

llvm/include/llvm/IR/PassManager.h

: public AnalysisInfoMixin<
           InnerAnalysisManagerProxy<AnalysisManagerT, IRUnitT>> {
 public:
   class Result {
   public:
     explicit Result(AnalysisManagerT &InnerAM) : InnerAM(&InnerAM) {}
 
     Result(Result &&Arg) : InnerAM(std::move(Arg.InnerAM)) {
       // We have to null out the analysis manager in the moved-from state
-      // because we are taking ownership of the responsibilty to clear the
+      // because we are taking ownership of the responsibility to clear the
       // analysis state.
       Arg.InnerAM = nullptr;
     }
 
     ~Result() {
       // InnerAM is cleared in a moved from state where there is nothing to do.
       if (!InnerAM)
         return;
 
       // Clear out the analysis manager if we're being destroyed -- it means we
       // didn't even see an invalidate call when we got invalidated.
       InnerAM->clear();
     }
 
     Result &operator=(Result &&RHS) {
       InnerAM = RHS.InnerAM;
       // We have to null out the analysis manager in the moved-from state
-      // because we are taking ownership of the responsibilty to clear the
+      // because we are taking ownership of the responsibility to clear the
       // analysis state.
       RHS.InnerAM = nullptr;
       return *this;
     }
 
     /// Accessor for the analysis manager.
     AnalysisManagerT &getManager() { return *InnerAM; }