doc: Updating function docblock of this.getSlot

elements/pfelement/src/pfelement.js

@@ -243,10 +243,10 @@ class PFElement extends HTMLElement {
   }
 
   /**
-   * Returns an array with all the slot with the provided name defined in the light DOM.
-   * If no value is provided (i.e., `this.getSlot()`), it returns all unassigned slots.
+   * Given a slot name, returns elements assigned to the slot as an arry.
+   * If no value is provided (i.e., `this.getSlot()`), it returns all children not assigned to a slot (without a slot attribute).
    *
-   * @example: `this.hasSlot("header")`
+   * @example: `this.getSlot("header")`
    */
   getSlot(name = "unassigned") {
     if (name !== "unassigned") {