diff --git a/components/grid/demo/basic.md b/components/grid/demo/basic.md
index 9f23ce6bcc..05362017ea 100644
--- a/components/grid/demo/basic.md
+++ b/components/grid/demo/basic.md
@@ -15,7 +15,7 @@ title:
 
 From the stack to the horizontal arrangement.
 
-You can create a basic grid system by using a single set of `Row` and` Col` grid assembly, all of the columns (Col) must be placed in `Row`.
+You can create a basic grid system by using a single set of `Row` and `Col` grid assembly, all of the columns (Col) must be placed in `Row`.
 
 ````jsx
 import { Row, Col } from 'antd';
diff --git a/components/grid/demo/flex.md b/components/grid/demo/flex.md
index 8f3b5330f5..0e9fa7759a 100644
--- a/components/grid/demo/flex.md
+++ b/components/grid/demo/flex.md
@@ -13,7 +13,7 @@ Flex 布局基础。
 
 ## en-US
 
-Use `row-flex` define` flex` layout, its child elements depending on the value of the `start`,` center`, `end`,` space-between`, `space-around`, which are defined in its parent node layout mode.
+Use `row-flex` define `flex` layout, its child elements depending on the value of the `start`,` center`, `end`,` space-between`, `space-around`, which are defined in its parent node layout mode.
 
 ````jsx
 import { Row, Col } from 'antd';
diff --git a/components/grid/demo/responsive-more.md b/components/grid/demo/responsive-more.md
index b4b27e5c4c..5a976420e2 100644
--- a/components/grid/demo/responsive-more.md
+++ b/components/grid/demo/responsive-more.md
@@ -13,7 +13,7 @@ title:
 
 ## en-US
 
-`Span` `pull` `push` `offset` `order` property can be embedded into `xs` `sm` `md` `lg` `xl` properties to use,
+`span` `pull` `push` `offset` `order` property can be embedded into `xs` `sm` `md` `lg` `xl` properties to use,
 where `xs = {6}` is equivalent to `xs = {{span: 6}}`.
 
 ````jsx
diff --git a/components/grid/index.en-US.md b/components/grid/index.en-US.md
index d8693604c4..284e638a74 100644
--- a/components/grid/index.en-US.md
+++ b/components/grid/index.en-US.md
@@ -111,4 +111,4 @@ If the Ant Design grid layout component does not meet your needs, you can use th
 | xl | `≥1200px`, could be a `span` value or an object containing above props | number\|object | - |
 | xxl | `≥1600px`, could be a `span` value or an object containing above props | number\|object | - |
 
-The breakpoints of responsive grid follow [BootStrap 3 media queries rules](https://getbootstrap.com/docs/3.3/css/#responsive-utilities-classes)(not including `occasionally part`).
+The breakpoints of responsive grid follow [BootStrap 4 media queries rules](https://getbootstrap.com/docs/4.0/layout/overview/#responsive-breakpoints)(not including `occasionally part`).