little description add, version bump

Author: nikitaeverywhere

package.json

@@ -1,7 +1,7 @@
 {
   "name": "LightPivotTable",
   "author": "ZitRo",
-  "version": "1.2.11",
+  "version": "1.2.12",
   "description": "A lightweight pivot table for MDX2JSON source for InterSystems Cache",
   "main": "test/testServer.js",
   "repository": {

readme.md

@@ -90,7 +90,7 @@ lp.updateSizes(); // recalculate pivot sizes
 lp.changeBasicMDX("..."); // change mdx for LPT
 lp.getActualMDX(); // returns currently displayed MDX
 lp.getSelectedRows(); // returns array with selected rows indexes. First row have index 1.
-lp.attachTrigger("contentRendered", function () {  }); // attaches trigger during runtime
+lp.attachTrigger("contentRendered", function (lpInstance) {  }); // attaches trigger during runtime
 ```
 
 #### Caché DeepSee