[IR] Fix typo in comment of Intrinsics.td (NFC)
diff --git a/llvm/include/llvm/IR/Intrinsics.td b/llvm/include/llvm/IR/Intrinsics.td
index 63f8169..2f5890d 100644
--- a/llvm/include/llvm/IR/Intrinsics.td
+++ b/llvm/include/llvm/IR/Intrinsics.td
@@ -364,7 +364,7 @@
   bit isTarget = false;
 }
 
-// Intrinisc with default attributes (disable_default_attributes = false).
+// Intrinisic with default attributes (disable_default_attributes = false).
 class DefaultAttrsIntrinsic<list<LLVMType> ret_types,
                 list<LLVMType> param_types = [],
                 list<IntrinsicProperty> intr_properties = [],