Fix document

Author: 38elements

Diff for: docs/en/api/options.md

@@ -64,12 +64,12 @@ expect(wrapper.find('div')).toBe(true)
 #### Passing text
 
 You can pass text to `slots`.  
-There is two limitations to this.
+There are two limitations to this.
 
 This does not support PhantomJS.  
 Please use [Puppeteer](ihttps://github.com/karma-runner/karma-chrome-launcher#headless-chromium-with-puppeteer).
 
-The text works below.
+This works for the text below.
 
 ```js
 const wrapper1 = mount(ComponentWithSlots, { slots: { default: '1{{ foo }}2' }})