Fix typo

Author: dtcxzyw

llvm/include/llvm/Analysis/ValueTracking.h

@@ -1025,9 +1025,9 @@ LLVM_ABI Value *stripNullTest(Value *V);
 LLVM_ABI const Value *stripNullTest(const Value *V);
 
 /// Enumerates all possible values of V and inserts them into the set \p
-/// Constants. If \p AllowUndefOrPoison is false, it fails when V may contains
-/// undef/poison elements. Return true if the result is complete. Otherwise, the
-/// result is incomplete (more than MaxCount values).
+/// Constants. If \p AllowUndefOrPoison is false, it fails when V may contain
+/// undef/poison elements. Returns true if the result is complete. Otherwise,
+/// the result is incomplete (more than MaxCount values).
 /// NOTE: The constant values are not distinct.
 LLVM_ABI bool
 collectPossibleValues(const Value *V,