diff --git a/components/date-picker/demo/size.md b/components/date-picker/demo/size.md
index 2d7f675620..fea5156c8c 100644
--- a/components/date-picker/demo/size.md
+++ b/components/date-picker/demo/size.md
@@ -13,7 +13,6 @@ title:
 
 The input box comes in three sizes. `default` will be used if `size` is omitted.
 
-
 ````jsx
 import { DatePicker, Radio } from 'antd';
 
diff --git a/components/mention/demo/controlled.md b/components/mention/demo/controlled.md
index c71240c919..a1f3830fe5 100644
--- a/components/mention/demo/controlled.md
+++ b/components/mention/demo/controlled.md
@@ -33,7 +33,7 @@ class App extends React.Component {
     e.preventDefault();
     this.props.form.validateFields((errors, values) => {
       if (errors) {
-        console.log('Errors in form!!!');
+        console.log('Errors in the form!!!');
         return;
       }
       console.log('Submit!!!');
diff --git a/components/modal/demo/position.md b/components/modal/demo/position.md
index b80e9305d2..6f1af499ec 100644
--- a/components/modal/demo/position.md
+++ b/components/modal/demo/position.md
@@ -11,7 +11,7 @@ title:
 
 ## en-US
 
-After release `1.0`,  Modal's `align` prop was removed. You can use `style.top` or other styles to
+After release `1.0`, Modal's `align` prop was removed. You can use `style.top` or other styles to
 set position of modal dialog.
 
 ````jsx
diff --git a/components/popconfirm/demo/placement.md b/components/popconfirm/demo/placement.md
index 443917f5cc..8af84bc6b2 100755
--- a/components/popconfirm/demo/placement.md
+++ b/components/popconfirm/demo/placement.md
@@ -16,10 +16,10 @@ There are 12 `placement` options available. Use `arrowPointAtCenter` if you want
 ````jsx
 import { Popconfirm, message, Button } from 'antd';
 
-const text = 'Are you sure delete this task?';
+const text = 'Are you sure to delete this task?';
 
 function confirm() {
-  message.info('Click on Yes.');
+  message.info('Clicked on Yes.');
 }
 
 ReactDOM.render(
diff --git a/components/progress/demo/format.md b/components/progress/demo/format.md
index ebbbcd0926..1c3df31ed8 100644
--- a/components/progress/demo/format.md
+++ b/components/progress/demo/format.md
@@ -11,7 +11,7 @@ title:
 
 ## en-US
 
-You can custom text format by setting `format`.
+You can set a custom text by setting the `format` prop.
 
 ````jsx
 import { Progress } from 'antd';
diff --git a/components/select/demo/coordinate.md b/components/select/demo/coordinate.md
index e11dbb5f91..2e69de5d1b 100644
--- a/components/select/demo/coordinate.md
+++ b/components/select/demo/coordinate.md
@@ -17,7 +17,6 @@ Coordinating the selection of provinces and cities is a common use case and demo
 
 Using the [Cascader](/components/cascader) component is strongly recommended instead as it is more flexible and capable.
 
-
 ````jsx
 import { Select } from 'antd';
 
diff --git a/components/table/demo/ajax.md b/components/table/demo/ajax.md
index 354166e3ac..e14d73a03b 100644
--- a/components/table/demo/ajax.md
+++ b/components/table/demo/ajax.md
@@ -15,7 +15,7 @@ title:
 
 ## en-US
 
-This example shows how to fetch and present data from remote server, and how to implement filtering and sorting in server side by sending related parameters to server.
+This example shows how to fetch and present data from a remote server, and how to implement filtering and sorting in server side by sending related parameters to server.
 
 **Note, this example use [Mock API](https://randomuser.me) that you can look up in Network Console.**
 
diff --git a/components/time-picker/demo/disabled.md b/components/time-picker/demo/disabled.md
index 4f765f62c8..4879834c4f 100644
--- a/components/time-picker/demo/disabled.md
+++ b/components/time-picker/demo/disabled.md
@@ -13,7 +13,6 @@ title:
 
 A disabled state of the `TimePicker`.
 
-
 ````jsx
 import { TimePicker } from 'antd';
 import moment from 'moment';