reveal.js/css/print/pdf.css in reveal-ck-0.1.3 vs reveal.js/css/print/pdf.css in reveal-ck-0.1.4

@@ -54,10 +54,10 @@
 body, p, td, li, div {
 	font-size: 18pt;
 }
 
 /* SECTION 4: Set heading font face, sizes, and color.
-   Diffrentiate your headings from your body text.
+   Differentiate your headings from your body text.
    Perhaps use a large sans-serif for distinction. */
 h1,h2,h3,h4,h5,h6 {
 	text-shadow: 0 0 0 #000 !important;
 }