Merge pull request desktop#16210 from garyray-k/patch-1

Update app.tsx typo

Author: sergiou87

app/src/ui/app.tsx

@@ -422,9 +422,9 @@ export class App extends React.Component<IAppProps, IAppState> {
       case 'view-repository-on-github':
         return this.viewRepositoryOnGitHub()
       case 'compare-on-github':
-        return this.openBranchOnGitub('compare')
+        return this.openBranchOnGitHub('compare')
       case 'branch-on-github':
-        return this.openBranchOnGitub('tree')
+        return this.openBranchOnGitHub('tree')
       case 'create-issue-in-repository-on-github':
         return this.openIssueCreationOnGitHub()
       case 'open-in-shell':
@@ -719,7 +719,7 @@ export class App extends React.Component<IAppProps, IAppState> {
     this.props.dispatcher.startMergeBranchOperation(repository, isSquash)
   }
 
-  private openBranchOnGitub(view: 'tree' | 'compare') {
+  private openBranchOnGitHub(view: 'tree' | 'compare') {
     const htmlURL = this.getCurrentRepositoryGitHubURL()
     if (!htmlURL) {
       return