diff --git a/melpomene.js b/melpomene.js
index d76678f..4ad7a55 100644
--- a/melpomene.js
+++ b/melpomene.js
@@ -45,7 +45,7 @@ const VERSION_DISPLAY = document.getElementById("melpomene-version");
 
 var PAGES_ZOOMS;
 // The variable ZOOMS can either be defined by another JS file or contructed at init
-if (typeof PAGES_ZOOMS === 'undefined')
+if (typeof PAGES_ZOOMS === "undefined")
 {
     PAGES_ZOOMS = null;
 }
@@ -138,7 +138,7 @@ function globalZoomOffsetX()
 {
     if (READER_PAGES.dataset.globalZoomOffset !== undefined)
     {
-        return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(',')[0]);
+        return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(",")[0]);
     }
 
     return 0.0;
@@ -148,7 +148,7 @@ function globalZoomOffsetY()
 {
     if (READER_PAGES.dataset.globalZoomOffset !== undefined)
     {
-        return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(',')[1]);
+        return parseFloat(READER_PAGES.dataset.globalZoomOffset.split(",")[1]);
     }
 
     return 0.0;
@@ -166,11 +166,11 @@ function loadZoomsFromImgTagsIfRequired()
         {
             const zoomsRawData = READER_PAGES.children[idx].dataset.zooms;
 
-            // ';' separates zooms data, ',' separates values
+            // ";" separates zooms data, "," separates values
             // We add the page number (adding 1 because of indexing)
             const zooms = zoomsRawData.split(";").map(
                 zoom => [idx + 1].concat(
-                    zoom.split(',').map(
+                    zoom.split(",").map(
                         value => parseFloat(value)
                     )
                 )