diff --git a/packages/web/editor.tsx b/packages/web/editor.tsx
index 735a41a..c995c76 100644
--- a/packages/web/editor.tsx
+++ b/packages/web/editor.tsx
@@ -439,7 +439,7 @@ export class Editor {
         this.createEditorState(this.currentPage, editorView.state.sliceDoc())
       );
       if (editorView.contentDOM) {
-        editorView.contentDOM.spellcheck = true;
+        this.tweakEditorDOM(editorView.contentDOM);
       }
 
       this.restoreState(this.currentPage);
@@ -508,7 +508,7 @@ export class Editor {
     let editorState = this.createEditorState(pageName, doc.text);
     editorView.setState(editorState);
     if (editorView.contentDOM) {
-      editorView.contentDOM.spellcheck = true;
+      this.tweakEditorDOM(editorView.contentDOM);
     }
     this.restoreState(pageName);
     this.space.watchPage(pageName);
@@ -521,6 +521,12 @@ export class Editor {
     await this.eventHook.dispatchEvent("editor:pageSwitched");
   }
 
+  tweakEditorDOM(contentDOM: HTMLElement) {
+    contentDOM.spellcheck = true;
+    contentDOM.setAttribute("autocorrect", "on");
+    contentDOM.setAttribute("autocapitalize", "on");
+  }
+
   private restoreState(pageName: string) {
     let pageState = this.openPages.get(pageName);
     const editorView = this.editorView!;
diff --git a/packages/web/syscalls/editor.ts b/packages/web/syscalls/editor.ts
index 00e6afd..7990a54 100644
--- a/packages/web/syscalls/editor.ts
+++ b/packages/web/syscalls/editor.ts
@@ -54,7 +54,10 @@ export function editorSyscalls(editor: Editor): SysCallMapping {
       await editor.reloadPage();
     },
     "editor.openUrl": async (ctx, url: string) => {
-      window.open(url, "_blank")!.focus();
+      let win = window.open(url, "_blank");
+      if (win) {
+        win.focus();
+      }
     },
     "editor.flashNotification": (ctx, message: string) => {
       editor.flashNotification(message);