docs: fix typo (#8078)

* docs: fix typo

* fix: restore text

docs/en-US/component/affix.md

@@ -11,7 +11,7 @@ Fix the element to a specific visible area.
 
 Affix is fixed at the top of the page by default.
 
-:::demo You can set `offset` attribute to change the offset top，the default value is 0。
+:::demo You can set `offset` attribute to change the offset top，the default value is 0.
 
 affix/basic
 

docs/en-US/component/cascader.md

@@ -120,7 +120,7 @@ cascader/filterable
 
 You can customize the content of cascader node.
 
-:::demo You can customize the content of cascader node by `scoped slot`. You'll have access to `node` and `data` in the scope, standing for the Node object and node data of the current node respectively。
+:::demo You can customize the content of cascader node by `scoped slot`. You'll have access to `node` and `data` in the scope, standing for the Node object and node data of the current node respectively.
 
 cascader/custom-content
 

docs/en-US/component/dialog.md

@@ -25,7 +25,7 @@ dialog/basic-usage
 
 ## Customized Content
 
-The content of Dialog can be anything, even a table or a form. This example shows how to use Element Plus Table and Form with Dialog。
+The content of Dialog can be anything, even a table or a form. This example shows how to use Element Plus Table and Form with Dialog.
 
 :::demo
 

docs/en-US/component/image.md

@@ -9,7 +9,7 @@ Besides the native features of img, support lazy load, custom placeholder and lo
 
 ## Basic Usage
 
-:::demo Indicate how the image should be resized to fit its container by `fit`, same as native [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit)。
+:::demo Indicate how the image should be resized to fit its container by `fit`, same as native [object-fit](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit).
 
 image/basic-usage
 

docs/en-US/component/table.md

@@ -167,7 +167,7 @@ table/expandable-row
 
 ## Tree data and lazy mode
 
-:::demo You can display tree structure data. When row contains the `children` field, it is treated as nested data. For rendering nested data, the prop `row-key` is required。Also, child row data can be loaded asynchronously. Set `lazy` property of Table to true and the function `load`. Specify `hasChildren` attribute in row to determine which row contains children. Both `children` and `hasChildren` can be configured via `tree-props`.
+:::demo You can display tree structure data. When row contains the `children` field, it is treated as nested data. For rendering nested data, the prop `row-key` is required. Also, child row data can be loaded asynchronously. Set `lazy` property of Table to true and the function `load`. Specify `hasChildren` attribute in row to determine which row contains children. Both `children` and `hasChildren` can be configured via `tree-props`.
 
 table/tree-and-lazy
 

docs/en-US/component/tooltip.md

@@ -19,7 +19,7 @@ tooltip/basic
 
 ## Theme
 
-Tooltip has two built-in themes: `dark` and `light`。
+Tooltip has two built-in themes: `dark` and `light`.
 
 :::tip