C#: Address more review comments.

Author: michaelnebel

csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowPrivate.qll

@@ -1803,10 +1803,10 @@ class FlowSummaryNode extends NodeImpl, TFlowSummaryNode {
  *    public void SetParam(object value) => o = value; // (2)
  * }
  * ```
- * the first access to o (1) is modeled as this.o_backing_field and
- * the second access to o (2) is modeled as this.o_backing_field = value.
+ * the first access to o (1) is modeled as `this.o_backing_field` and
+ * the second access to o (2) is modeled as `this.o_backing_field = value`.
  * Both models need a pre-update this node, and the latter need an additional post-update this access,
- * all of which are represented by an InstanceParameterAccessNode node.
+ * all of which are represented by an `InstanceParameterAccessNode` node.
  */
 class InstanceParameterAccessNode extends NodeImpl, TInstanceParameterAccessNode {
   private ControlFlow::Node cfn;
@@ -1853,11 +1853,11 @@ class InstanceParameterAccessNode extends NodeImpl, TInstanceParameterAccessNode
  * ```csharp
  * public class C(object o) { }
  * ```
- * we synthesize the primary constructor for C as
+ * we synthesize the primary constructor for `C` as
  * ```csharp
  * public C(object o) => this.o_backing_field = o;
  * ```
- * The synthesized (pre/post-update) this access is represented an PrimaryConstructorThisAccessNode node.
+ * The synthesized (pre/post-update) this access is represented an `PrimaryConstructorThisAccessNode` node.
  */
 class PrimaryConstructorThisAccessNode extends NodeImpl, TPrimaryConstructorThisAccessNode {
   private Parameter p;