JS: Fix typos

Author: asgerf

javascript/ql/lib/semmle/javascript/frameworks/WebResponse.qll

@@ -4,7 +4,7 @@
 
 private import javascript
 
-/** Treats `Reponse` as an entry point for API graphs. */
+/** Treats `Response` as an entry point for API graphs. */
 private class ResponseEntryPoint extends API::EntryPoint {
   ResponseEntryPoint() { this = "global.Response" }
 
@@ -47,7 +47,7 @@ private class ResponseArgumentHeaders extends Http::HeaderDefinition {
   ResponseCall getResponse() { result = response }
 
   /**
-   * Gets a call to `new Headers()` that is passed as the headers to thsi call.
+   * Gets a call to `new Headers()` that is passed as the headers to this call.
    */
   private HeadersCall getHeadersCall() { headerNode.refersTo(result.getReturn()) }