Implement review comments on linking in comments

Author: dominik-steenken

llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

@@ -3357,10 +3357,11 @@ bool SelectionDAGLegalize::ExpandNode(SDNode *Node) {
     break;
   }
   case ISD::FCANONICALIZE: {
-    // This implements llvm.canonicalize.f* by multiplication with 1.0,
-    // as suggested in https://llvm.org/docs/LangRef.html#id2335. It uses
-    // strict_fp operations even outside a strict_fp context in order to
-    // guarantee that the canonicalization is not optimized away by later
+    // This implements llvm.canonicalize.f* by multiplication with 1.0, as
+    // suggested in
+    // https://llvm.org/docs/LangRef.html#llvm-canonicalize-intrinsic.
+    // It uses strict_fp operations even outside a strict_fp context in order
+    // to guarantee that the canonicalization is not optimized away by later
     // passes.
 
     // Get operand x.