diff --git a/code/boot.js b/code/boot.js
index 7d39eceb..d4120b2f 100644
--- a/code/boot.js
+++ b/code/boot.js
@@ -163,7 +163,7 @@ window.setupMap = function() {
   if(!isLayerGroupDisplayed('Links', true)) hiddenLayer.push(linksLayer);
 
   // faction-specific layers
-  // these layers don't actually contain any data. instead, everytime they're added/removed from the map,
+  // these layers don't actually contain any data. instead, every time they're added/removed from the map,
   // the matching sub-layers within the above portals/fields/links are added/removed from their parent with
   // the below 'onoverlayadd/onoverlayremovve' events
   var factionLayers = [L.layerGroup(), L.layerGroup(), L.layerGroup()];
diff --git a/code/map_data_cache.js b/code/map_data_cache.js
index a04070fc..f5b90579 100644
--- a/code/map_data_cache.js
+++ b/code/map_data_cache.js
@@ -5,7 +5,7 @@ window.DataCache = function() {
   // stock site nemesis.dashboard.DataManager.CACHE_EXPIRY_MS_ = 18E4 - so should be 2 mins cache time
   this.REQUEST_CACHE_FRESH_AGE = 120;  // if younger than this, use data in the cache rather than fetching from the server
 
-  // stale cache entries can be updated (that's what the optional 'timestampMs' field in getThinnedEntnties is
+  // stale cache entries can be updated (that's what the optional 'timestampMs' field in getThinnedEntities is
   // for, retrieving deltas) so use a long max age to take advantage of this
   // however, ther must be an overall limit on the maximum age of data from the servers, otherwise the deletedEntity
   // entries would grow indefinitely. an hour seems reasonable from experience with the data, so 55 mins max cache time
diff --git a/code/map_data_render.js b/code/map_data_render.js
index e88a7a39..1a651875 100644
--- a/code/map_data_render.js
+++ b/code/map_data_render.js
@@ -7,7 +7,7 @@ window.Render = function() {
 
   // when there are lots of portals close together, we only add some of them to the map
   // the idea is to keep the impression of the dense set of portals, without rendering them all
-  this.CLUSTER_SIZE = L.Browser.mobile ? 16 : 8;  // the map is divited into squares of this size in pixels for clustering purposes. mobile uses larger markers, so therefore larger clustering areas
+  this.CLUSTER_SIZE = L.Browser.mobile ? 16 : 8;  // the map is divided into squares of this size in pixels for clustering purposes. mobile uses larger markers, so therefore larger clustering areas
   this.CLUSTER_PORTAL_LIMIT = 4; // no more than this many portals are drawn in each cluster square
 
   // link length, in pixels, to be visible. use the portal cluster size, as shorter than this is likely hidden
diff --git a/external/L.Geodesic.js b/external/L.Geodesic.js
index 05a5f930..20955133 100644
--- a/external/L.Geodesic.js
+++ b/external/L.Geodesic.js
@@ -88,9 +88,9 @@ Modified by qnstie 2013-07-17 to maintain compatibility with Leaflet.draw
       latlngs[i] = L.latLng(latlngs[i]);
     }
 
-    // geodrsic calculations have issues when crossing the anti-meridian. so offset the points
+    // geodesic calculations have issues when crossing the anti-meridian. so offset the points
     // so this isn't an issue, then add back the offset afterwards
-    // a center longitude would be ideal - but the start point logitude will be 'good enougn'
+    // a center longitude would be ideal - but the start point logitude will be 'good enough'
     var lngOffset = latlngs[0].lng;
 
     // points are wrapped after being offset relative to the first point coordinate, so they're
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
index e9e45845..92bcc447 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
@@ -527,7 +527,7 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         }
     }
 
-    // vp=f enables mDesktopMode mode...vp=m is the defaul mobile view
+    // vp=f enables mDesktopMode mode...vp=m is the default mobile view
     private String addUrlParam(String url) {
         if (mDesktopMode) {
             return (url + "?vp=f");
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_WebViewClient.java b/mobile/src/com/cradle/iitc_mobile/IITC_WebViewClient.java
index 6ef09738..f1e8af47 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_WebViewClient.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_WebViewClient.java
@@ -289,9 +289,9 @@ public class IITC_WebViewClient extends WebViewClient {
             return new WebResourceResponse("text/css", "UTF-8", STYLE);
 //        } else if (url.contains("gen_dashboard.js")) {
 //            // define initialize function to get rid of JS ReferenceError on intel page's 'onLoad'
-//            String gen_dashboad_replacement = "window.initialize = function() {}";
+//            String gen_dashboard_replacement = "window.initialize = function() {}";
 //            return new WebResourceResponse("text/javascript", "UTF-8",
-//                    new ByteArrayInputStream(gen_dashboad_replacement.getBytes()));
+//                    new ByteArrayInputStream(gen_dashboard_replacement.getBytes()));
         } else if (url.contains("/css/ap_icons.css")
                 || url.contains("/css/map_icons.css")
                 || url.contains("/css/common.css")
diff --git a/plugins/ap-list.user.js b/plugins/ap-list.user.js
index 8f34e0e7..9a2b99bd 100644
--- a/plugins/ap-list.user.js
+++ b/plugins/ap-list.user.js
@@ -579,7 +579,7 @@ window.plugin.apList.getShieldsEffect = function(portal) {
 // Sorting done by loop through the options, get the property by 
 // property chain of each option, compare the property of two object 
 // with the ordering of option and return the result when the first 
-// differece is found.
+// difference is found.
 window.plugin.apList.comparePortal = function(a,b) {
   var result = 0;
   var options = plugin.apList.sortOptions[plugin.apList.sortBy];
diff --git a/plugins/basemap-yandex.user.js b/plugins/basemap-yandex.user.js
index 5e65092e..88c07573 100644
--- a/plugins/basemap-yandex.user.js
+++ b/plugins/basemap-yandex.user.js
@@ -25,7 +25,7 @@ window.plugin.mapTileYandex = function() {};
 
 window.plugin.mapTileYandex.setup = function() {
 //a few options on language are available, including en-US. Oddly, the detail available on the maps varies
-//dependong on the language
+//depending on the language
   var yandexApiJs = '//api-maps.yandex.ru/2.0-stable/?load=package.standard&lang=ru-RU'
 
   load(yandexApiJs).thenRun(window.plugin.mapTileYandex.addLayer);
diff --git a/plugins/bookmarks-by-zaso.user.js b/plugins/bookmarks-by-zaso.user.js
index ef694fcc..e59b4a32 100644
--- a/plugins/bookmarks-by-zaso.user.js
+++ b/plugins/bookmarks-by-zaso.user.js
@@ -730,7 +730,7 @@
   window.plugin.bookmarks.syncCallback = function(pluginName, fieldName, e, fullUpdated) {
     if(fieldName === window.plugin.bookmarks.KEY.field) {
       window.plugin.bookmarks.storeLocal(window.plugin.bookmarks.KEY);
-      // All data is replaced if other client update the data duing this client offline, 
+      // All data is replaced if other client update the data during this client offline, 
       if(fullUpdated) {
         window.plugin.bookmarks.refreshBkmrks();
         return;
diff --git a/plugins/keys.user.js b/plugins/keys.user.js
index bd9984a7..d1aa488a 100644
--- a/plugins/keys.user.js
+++ b/plugins/keys.user.js
@@ -107,7 +107,7 @@ window.plugin.keys.registerFieldForSyncing = function() {
 window.plugin.keys.syncCallback = function(pluginName, fieldName, e, fullUpdated) {
   if(fieldName === 'keys') {
     plugin.keys.storeLocal(plugin.keys.KEY);
-    // All data is replaced if other client update the data duing this client offline, 
+    // All data is replaced if other client update the data during this client offline, 
     // fire 'pluginKeysRefreshAll' to notify a full update
     if(fullUpdated) {
       plugin.keys.updateDisplayCount();
diff --git a/plugins/portals-list.user.js b/plugins/portals-list.user.js
index a39c50b9..8031be7b 100644
--- a/plugins/portals-list.user.js
+++ b/plugins/portals-list.user.js
@@ -355,7 +355,7 @@ window.plugin.portalslist.stats = function(sortBy) {
   return html;
 }
 
-// A little helper functon so the above isn't so messy
+// A little helper function so the above isn't so messy
 window.plugin.portalslist.portalTableSort = function(name, by) {
   var retVal = 'data-sort="' + name + '"';
   if(name === by) {
diff --git a/plugins/scoreboard.user.js b/plugins/scoreboard.user.js
index 7aa1756e..d80cc819 100644
--- a/plugins/scoreboard.user.js
+++ b/plugins/scoreboard.user.js
@@ -216,7 +216,7 @@ window.plugin.scoreboard.playerTable = function(sortBy) {
   return scoreHtml;
 }
 
-// A little helper functon so the above isn't so messy
+// A little helper function so the above isn't so messy
 window.plugin.scoreboard.playerTableSort = function(name, by) {
   var retVal = 'data-sort="' + name + '"';
   if(name === by) {
diff --git a/plugins/show-address.user.js b/plugins/show-address.user.js
index b4765ce5..8b938a77 100644
--- a/plugins/show-address.user.js
+++ b/plugins/show-address.user.js
@@ -22,7 +22,7 @@
 window.plugin.portalAddress = function() {};
 
 window.plugin.portalAddress.portalDetail = function(data) {
-  // If there's 4 sets of comma delimieted info the last one is the
+  // If there's 4 sets of comma delimited info the last one is the
   // country, so get rid of it. If the country is in the [2] then it
   // doesn't matter because address is usually short enough to fit.
   var d = data.portalDetails.portalV2;
diff --git a/plugins/sync.user.js b/plugins/sync.user.js
index 24a5a6c7..0cf0961d 100644
--- a/plugins/sync.user.js
+++ b/plugins/sync.user.js
@@ -60,7 +60,7 @@ window.plugin.sync.updateMap = function(pluginName, fieldName, keyArray) {
 // example: plugin.sync.registerMapForSync('keys', 'keysdata', plugin.keys.updateCallback, plugin.keys.initializedCallback)
 // which register plugin.keys.keysdata
 //
-// updateCallback function format: function(pluginName, fieldName, eventObejct, fullUpdated)
+// updateCallback function format: function(pluginName, fieldName, eventObject, fullUpdated)
 // updateCallback will be fired when local or remote pushed update to Google Realtime API
 // fullUpdated is true when remote update occur during local client offline, all data is replaced by remote data
 // eventObject is a ValueChangedEvent, is null if fullUpdated is true
@@ -68,7 +68,7 @@ window.plugin.sync.updateMap = function(pluginName, fieldName, keyArray) {
 // detail of ValueChangedEvent refer to following url
 // https://developers.google.com/drive/realtime/reference/gapi.drive.realtime.ValueChangedEvent
 //
-// initializedCallback funciton format: function(pluginName, fieldName)
+// initializedCallback function format: function(pluginName, fieldName)
 // initializedCallback will be fired when the CollaborativeMap finished initialize and good to use
 window.plugin.sync.registerMapForSync = function(pluginName, fieldName, callback, initializedCallback) {
   var options, registeredMap;
@@ -244,7 +244,7 @@ window.plugin.sync.RegisteredMap.prototype.loadRealtimeDocument = function(callb
     } else if(e.type === gapi.drive.realtime.ErrorType.NOT_FOUND) {
       _this.forceFileSearch = true;
     } else if(e.type === gapi.drive.realtime.ErrorType.CLIENT_ERROR) {
-      // Workaround: if Realtime API open a second docuemnt and the file do not exist, 
+      // Workaround: if Realtime API open a second document and the file do not exist, 
       // it will rasie 'CLIENT_ERROR' instead of 'NOT_FOUND'. So we do a force file search here.
       _this.forceFileSearch = true;
     } else {