fixes several typos

src/browser/components/MainPage.jsx

@@ -77,7 +77,7 @@ export default class MainPage extends React.Component {
       });
     });
 
-    // can't switch tabs sequencially for some reason...
+    // can't switch tabs sequentially for some reason...
     ipcRenderer.on('switch-tab', (event, key) => {
       this.handleSelect(key);
     });

src/browser/components/MattermostView.jsx

@@ -85,7 +85,7 @@ export default class MattermostView extends React.Component {
       }
     });
 
-    // Open link in browserWindow. for exmaple, attached files.
+    // Open link in browserWindow. for example, attached files.
     webview.addEventListener('new-window', (e) => {
       const currentURL = url.parse(webview.getURL());
       const destURL = url.parse(e.url);
@@ -98,7 +98,7 @@ export default class MattermostView extends React.Component {
         if (destURL.path.match(/^\/api\/v[3-4]\/public\/files\//)) {
           ipcRenderer.send('download-url', e.url);
         } else {
-          // New window should disable nodeIntergration.
+          // New window should disable nodeIntegration.
           window.open(e.url, remote.app.getName(), 'nodeIntegration=no, show=yes');
         }
       } else {
@@ -119,7 +119,7 @@ export default class MattermostView extends React.Component {
             if (this.props.onSelectSpellCheckerLocale) {
               this.props.onSelectSpellCheckerLocale(locale);
             }
-            webview.send('set-spellcheker');
+            webview.send('set-spellchecker');
           },
         });
         this.setState({isContextMenuAdded: true});

src/browser/webview/mattermost.js

@@ -141,7 +141,7 @@ function getUnreadCount() {
       const activeChannel = document.querySelector('.active .sidebar-channel');
       const closeButton = activeChannel.getElementsByClassName('btn-close');
       if (closeButton.length === 1 && closeButton[0].getAttribute('aria-describedby') === 'remove-dm-tooltip') {
-        // If active channel is DM, all posts is treated as menion.
+        // If active channel is DM, all posts is treated as mention.
         isMentioned = true;
         break;
       } else {
@@ -192,7 +192,7 @@ function setSpellChecker() {
   resetMisspelledState();
 }
 setSpellChecker();
-ipcRenderer.on('set-spellcheker', setSpellChecker);
+ipcRenderer.on('set-spellchecker', setSpellChecker);
 
 // mattermost-webapp is SPA. So cache is not cleared due to no navigation.
 // We needed to manually clear cache to free memory in long-term-use.

src/main.js

@@ -176,7 +176,7 @@ const trayImages = (() => {
   }
 })();
 
-// If there is already an instance, activate the window in the existing instace and quit this one
+// If there is already an instance, activate the window in the existing instance and quit this one
 if (app.makeSingleInstance((commandLine/*, workingDirectory*/) => {
   // Protocol handler for win32
   // argv: An array of the second instance’s (command line / deep linked) arguments
@@ -330,7 +330,7 @@ app.on('certificate-error', (event, webContents, url, error, certificate, callba
 });
 
 app.on('gpu-process-crashed', (event, killed) => {
-  console.log(`The GPU process has crached (killed = ${killed})`);
+  console.log(`The GPU process has crashed (killed = ${killed})`);
 });
 
 const loginCallbackMap = new Map();