JS: Update qldoc for ValueNode

Author: asgerf

javascript/ql/src/semmle/javascript/AST.qll

@@ -447,9 +447,9 @@ class StmtContainer extends @stmt_container, ASTNode {
  */
 module AST {
   /**
-   * A program element that evaluates to a value at runtime. This includes expressions,
-   * but also function and class declaration statements, as well as TypeScript
-   * namespace and enum declarations.
+   * A program element that evaluates to a value or destructures a value at runtime.
+   * This includes expressions and destructuring patterns, but also function and
+   * class declaration statements, as well as TypeScript namespace and enum declarations.
    *
    * Examples:
    *

javascript/ql/src/semmle/javascript/dataflow/DataFlow.qll

@@ -258,8 +258,8 @@ module DataFlow {
   }
 
   /**
-   * An expression or a declaration of a function, class, namespace or enum,
-   * viewed as a node in the data flow graph.
+   * A node in the data flow graph which corresponds to an expression,
+   * destructuring pattern, or declaration of a function, class, namespace, or enum.
    *
    * Examples:
    * ```js