diff --git a/plugins/woocommerce/includes/abstracts/abstract-wc-product.php b/plugins/woocommerce/includes/abstracts/abstract-wc-product.php
index 469cba70114d2..2361ba626032b 100644
--- a/plugins/woocommerce/includes/abstracts/abstract-wc-product.php
+++ b/plugins/woocommerce/includes/abstracts/abstract-wc-product.php
@@ -1941,10 +1941,10 @@ public function add_to_cart_aria_describedby() {
 		/**
 		 * Filter the aria-describedby description for the add to cart button.
 		 *
-		 * @since x.x.x
+		 * @since 7.8.0
 		 *
-		 * @param string $var aria-describedby description.
-		 * @param WC_Product $this object.
+		 * @param string $var Text for the 'aria-describedby' attribute.
+		 * @param WC_Product $this Product object.
 		 */
 		return apply_filters( 'woocommerce_product_add_to_cart_aria_describedby', '', $this );
 	}
diff --git a/plugins/woocommerce/includes/class-wc-product-variable.php b/plugins/woocommerce/includes/class-wc-product-variable.php
index 9b3699fbed6e9..ace3ac4b24500 100644
--- a/plugins/woocommerce/includes/class-wc-product-variable.php
+++ b/plugins/woocommerce/includes/class-wc-product-variable.php
@@ -57,6 +57,7 @@ public function get_type() {
 	 * @return string
 	 */
 	public function add_to_cart_aria_describedby() {
+		/** This filter is documented in includes/abstracts/abstract-wc-product.php. */
 		return apply_filters( 'woocommerce_product_add_to_cart_aria_describedby', $this->is_purchasable() ? __( 'This product has multiple variants. The options may be chosen on the product page', 'woocommerce' ) : '', $this );
 	}