Improve docblock comments WC_Widget classes

* Added better comment to `widget`, `form` and `update` methods.

includes/widgets/class-wc-widget-cart.php

@@ -42,7 +42,7 @@ class WC_Widget_Cart extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-layered-nav-filters.php

@@ -35,7 +35,7 @@ class WC_Widget_Layered_Nav_Filters extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-layered-nav.php

@@ -28,7 +28,7 @@ class WC_Widget_Layered_Nav extends WC_Widget {
 	}
 
 	/**
-	 * update function.
+	 * Updates a particular instance of a widget.
 	 *
 	 * @see WP_Widget->update
 	 *
@@ -44,7 +44,7 @@ class WC_Widget_Layered_Nav extends WC_Widget {
 	}
 
 	/**
-	 * form function.
+	 * Outputs the settings update form.
 	 *
 	 * @see WP_Widget->form
 	 *
@@ -105,7 +105,7 @@ class WC_Widget_Layered_Nav extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-price-filter.php

@@ -37,7 +37,7 @@ class WC_Widget_Price_Filter extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-product-categories.php

@@ -83,7 +83,7 @@ class WC_Widget_Product_Categories extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-product-search.php

@@ -35,7 +35,7 @@ class WC_Widget_Product_Search extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-product-tag-cloud.php

@@ -35,7 +35,7 @@ class WC_Widget_Product_Tag_Cloud extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-products.php

@@ -154,7 +154,7 @@ class WC_Widget_Products extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-recent-reviews.php

@@ -43,7 +43,7 @@ class WC_Widget_Recent_Reviews extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-recently-viewed.php

@@ -43,7 +43,7 @@ class WC_Widget_Recently_Viewed extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *

includes/widgets/class-wc-widget-top-rated-products.php

@@ -45,7 +45,7 @@ class WC_Widget_Top_Rated_Products extends WC_Widget {
 	}
 
 	/**
-	 * widget function.
+	 * Output widget.
 	 *
 	 * @see WP_Widget
 	 *