diff --git a/lib/ComicBook.js b/lib/ComicBook.js
index b2b6934..f09f810 100644
--- a/lib/ComicBook.js
+++ b/lib/ComicBook.js
@@ -1,4 +1,4 @@
-/*jslint browser: true, on: true, eqeqeq: true, plusplus: true, newcap: true, immed: true */
+/*jslint browser: true, on: true, eqeqeq: true, newcap: true, immed: true */
 
 /*
 	TODOs:
@@ -143,11 +143,11 @@ function ComicBook(id, srcs, opts) {
 				// console.info("loaded: " + srcs[i]);
 
 				pages[i] = this;
-				loaded += 1;
+				loaded++;
 
 				// there are still more pages to load, do it
 				if (loaded < no_pages) {
-					i += 1;
+					i++;
 					preload(i);
 				}