JS: typo fix

Author: esbena

javascript/ql/src/Security/CWE-730/UnclosedStream.ql

@@ -42,7 +42,7 @@ abstract class AsyncTerminatableFunction extends DataFlow::FunctionNode {
 }
 
 /**
- * A promise executor as a function that can be terminated  in an asynchronous context.
+ * A promise executor as a function that can be terminated in an asynchronous context.
  */
 class PromiseExecutor extends AsyncTerminatableFunction {
   PromiseDefinition def;