minor documentation fixes

Co-Authored-By: Max Schaefer <54907921+max-schaefer@users.noreply.github.com>

Author: erik-krogh

javascript/ql/src/semmle/javascript/StandardLibrary.qll

@@ -211,7 +211,7 @@ private class PromiseFlowStep extends DataFlow::AdditionalFlowStep {
 
 /**
  * A data flow edge from the exceptional return of the promise executor to the promise catch handler.
- * This only adds an edge from the exceptional return of the promise Executor and to a `.catch()` handler.
+ * This only adds an edge from the exceptional return of the promise executor to a `.catch()` handler.
  * Missing are (at least): 
  *   Exceptional flow from promise executor (and handlers) to exceptional return of an `await` expression. 
  *   Flow from calls to `reject` to exceptional return of an `await` expression.

javascript/ql/src/semmle/javascript/security/dataflow/ExceptionXss.qll

@@ -87,7 +87,7 @@ module ExceptionXss {
 
   /**
    * Gets the error parameter for a callback that is supplied to the same call as `pred` is an argument to. 
-   * E.g: `outerCall(foo, <pred>, bar, (<result>, val) => { ... })`. 
+   * For example: `outerCall(foo, <pred>, bar, (<result>, val) => { ... })`. 
    */
   DataFlow::Node getCallbackErrorParam(DataFlow::Node pred) {
     exists(DataFlow::CallNode call, Callback callback |