Apply suggestions from code review

Co-authored-by: Tobias Hartmann <tobias.hartmann@oracle.com>

src/hotspot/share/opto/node.hpp

@@ -2115,15 +2115,15 @@ inline int Op_DivModIL(BasicType bt, bool is_unsigned) {
 // a customized BFS.
 class BFSActions : public StackObj {
  public:
-  // Should a node's inputs further be visit in the BFS traversal? By default, we visit all data inputs. Override this
-  // method to provide a costum filter.
+  // Should a node's inputs further be visited in the BFS traversal? By default, we visit all data inputs. Override this
+  // method to provide a custom filter.
   virtual bool should_visit(Node* node) const {
     // By default, visit all inputs.
     return true;
   };
 
   // Is the visited node a target node that we are looking for in the BFS traversal? We do not visit its inputs further
-  // but the BFS will continue to visited all unvisited nodes in the queue.
+  // but the BFS will continue to visit all unvisited nodes in the queue.
   virtual bool is_target_node(Node* node) const = 0;
 
   // Defines an action that should be taken when we visit a target node in the BFS traversal.

src/hotspot/share/opto/predicates.cpp

@@ -240,11 +240,11 @@ class OpaqueLoopNodesVerifier : public BFSActions {
 
   void target_node_action(Node* target_node) override {
     if (target_node->is_OpaqueLoopInit()) {
-      assert(!_found_init, "can only found one OpaqueLoopInitNode");
+      assert(!_found_init, "should only find one OpaqueLoopInitNode");
       _found_init = true;
     } else {
       assert(target_node->is_OpaqueLoopStride(), "unexpected Opaque1 node");
-      assert(!_found_stride, "can only found one OpaqueLoopStrideNode");
+      assert(!_found_stride, "should only find one OpaqueLoopStrideNode");
       _found_stride = true;
     }
   }