diff --git a/src/App.tsx b/src/App.tsx
index 5f1f62d..3b9cd6c 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -201,7 +201,7 @@ class App extends React.Component<{}, IAppState> {
                       name="prefix"
                       value={config.prefix}
                       onChange={this.onOptionsFieldChange}
-                      placeholder="Interface prexix"
+                      placeholder="Interface prefix"
                     />
                   </Form.Field>
                   <Form.Field>