diff --git a/js/module.js b/js/module.js
index 44c50099..9ee13e4c 100644
--- a/js/module.js
+++ b/js/module.js
@@ -152,7 +152,7 @@ var Module = Class.extend({
 	},
 
 	/* socket()
-	 * Returns a socket object. If it doesn"t exsist, it"s created.
+	 * Returns a socket object. If it doesn"t exist, it"s created.
 	 * It also registers the notification callback.
 	 */
 	socket: function() {
diff --git a/modules/README.md b/modules/README.md
index 54207399..39072db5 100644
--- a/modules/README.md
+++ b/modules/README.md
@@ -298,7 +298,7 @@ If no translation is found, a fallback will be used. The fallback sequence is as
 - 4. Translation as defined in core translation file of the fallback language (the first defined core translation file).
 - 5. The key (identifier) of the translation.
 
-When adding translations to your module, it's a good idea to see if an apropriate translation is already available in the [core translation files](https://github.com/MichMich/MagicMirror/tree/master/translations). This way, your module can benefit from the exsisting translations.
+When adding translations to your module, it's a good idea to see if an apropriate translation is already available in the [core translation files](https://github.com/MichMich/MagicMirror/tree/master/translations). This way, your module can benefit from the existing translations.
 
 **Example:**
 ````javascript
diff --git a/modules/default/calendar/calendar.js b/modules/default/calendar/calendar.js
index a6a7d082..213f1024 100644
--- a/modules/default/calendar/calendar.js
+++ b/modules/default/calendar/calendar.js
@@ -49,7 +49,7 @@ Module.register("calendar",{
 	getTranslations: function() {
 		// The translations for the defaut modules are defined in the core translation files.
 		// Therefor we can just return false. Otherwise we should have returned a dictionairy.
-		// If you're trying to build yiur own module including translations, check out the documentation.
+		// If you're trying to build your own module including translations, check out the documentation.
 		return false;
 	},
 
diff --git a/modules/default/calendar/calendarfetcher.js b/modules/default/calendar/calendarfetcher.js
index 15c2e60a..f7f68b7e 100644
--- a/modules/default/calendar/calendarfetcher.js
+++ b/modules/default/calendar/calendarfetcher.js
@@ -25,7 +25,12 @@ var CalendarFetcher = function(url, reloadInterval, maximumEntries, maximumNumbe
 		clearTimeout(reloadTimer);
 		reloadTimer = null;
 
-		ical.fromURL(url, {}, function(err, data) {
+		var opts = {
+			headers: {
+				'User-Agent': 'Mozilla/5.0 (Node.js 6.0.0) MagicMirror/v2 (https://github.com/MichMich/MagicMirror/)'
+			}
+		}
+		ical.fromURL(url, opts, function(err, data) {
 			if (err) {
 				fetchFailedCallback(self, err);
 				scheduleTimer();
@@ -188,7 +193,7 @@ var CalendarFetcher = function(url, reloadInterval, maximumEntries, maximumNumbe
 	};
 
 	/* broadcastItems()
-	 * Broadcast the exsisting events.
+	 * Broadcast the existing events.
 	 */
 	this.broadcastEvents = function() {
 		//console.log('Broadcasting ' + events.length + ' events.');
diff --git a/modules/default/calendar/node_helper.js b/modules/default/calendar/node_helper.js
index 1d558d29..47a0231b 100644
--- a/modules/default/calendar/node_helper.js
+++ b/modules/default/calendar/node_helper.js
@@ -30,8 +30,8 @@ module.exports = NodeHelper.create({
 	},
 
 	/* createFetcher(url, reloadInterval)
-	 * Creates a fetcher for a new url if it doesn't exsist yet.
-	 * Otherwise it reuses the exsisting one.
+	 * Creates a fetcher for a new url if it doesn't exist yet.
+	 * Otherwise it reuses the existing one.
 	 *
 	 * attribute url string - URL of the news feed.
 	 * attribute reloadInterval number - Reload interval in milliseconds.
@@ -69,7 +69,7 @@ module.exports = NodeHelper.create({
 
 			self.fetchers[url] = fetcher;
 		} else {
-			//console.log('Use exsisting news fetcher for url: ' + url);
+			//console.log('Use existing news fetcher for url: ' + url);
 			fetcher = self.fetchers[url];
 			fetcher.broadcastEvents();
 		}
diff --git a/modules/default/newsfeed/fetcher.js b/modules/default/newsfeed/fetcher.js
index 3840bea6..ff0a9980 100644
--- a/modules/default/newsfeed/fetcher.js
+++ b/modules/default/newsfeed/fetcher.js
@@ -117,7 +117,7 @@ var Fetcher = function(url, reloadInterval, encoding) {
 	};
 
 	/* broadcastItems()
-	 * Broadcast the exsisting items.
+	 * Broadcast the existing items.
 	 */
 	this.broadcastItems = function() {
 		if (items.length <= 0) {
diff --git a/modules/default/newsfeed/node_helper.js b/modules/default/newsfeed/node_helper.js
index 82f1c19e..6ebf78df 100644
--- a/modules/default/newsfeed/node_helper.js
+++ b/modules/default/newsfeed/node_helper.js
@@ -25,8 +25,8 @@ module.exports = NodeHelper.create({
 	},
 
 	/* createFetcher(url, reloadInterval)
-	 * Creates a fetcher for a new url if it doesn't exsist yet.
-	 * Otherwise it reoses the exsisting one.
+	 * Creates a fetcher for a new url if it doesn't exist yet.
+	 * Otherwise it reoses the existing one.
 	 *
 	 * attribute url string - URL of the news feed.
 	 * attribute reloadInterval number - Reload interval in milliseconds.
@@ -62,7 +62,7 @@ module.exports = NodeHelper.create({
 
 			self.fetchers[url] = fetcher;
 		} else {
-			console.log("Use exsisting news fetcher for url: " + url);
+			console.log("Use existing news fetcher for url: " + url);
 			fetcher = self.fetchers[url];
 			fetcher.setReloadInterval(reloadInterval);
 			fetcher.broadcastItems();