--- a/dom/base/Element.h
+++ b/dom/base/Element.h
@@ -352,17 +352,17 @@ public:
   /**
    * Get the SMIL override style for this element. This is a style declaration
    * that is applied *after* the inline style, and it can be used e.g. to store
    * animated style values.
    *
    * Note: This method is analogous to the 'GetStyle' method in
    * nsGenericHTMLElement and nsStyledElement.
    */
-  virtual nsICSSDeclaration* GetSMILOverrideStyle();
+  nsICSSDeclaration* GetSMILOverrideStyle();
 
   /**
    * Returns if the element is labelable as per HTML specification.
    */
   virtual bool IsLabelable() const;
 
   /**
    * Returns if the element is interactive content as per HTML specification.

--- a/dom/base/FragmentOrElement.h
+++ b/dom/base/FragmentOrElement.h
@@ -270,17 +270,17 @@ public:
     /**
      * The .dataset attribute.
      * @see nsGenericHTMLElement::GetDataset
      */
     nsDOMStringMap* mDataset; // [Weak]
 
     /**
      * SMIL Overridde style rules (for SMIL animation of CSS properties)
-     * @see nsIContent::GetSMILOverrideStyle
+     * @see Element::GetSMILOverrideStyle
      */
     nsCOMPtr<nsICSSDeclaration> mSMILOverrideStyle;
 
     /**
      * Holds any SMIL override style declaration for this element.
      */
     RefPtr<mozilla::DeclarationBlock> mSMILOverrideStyleDeclaration;