Merge pull request marmelab#10308 from highwide/fix-typo-on-tab-pages

[Doc] Fix typo in TabbedForm and TabbedShowLayout

Author: fzaninotto

docs/TabbedForm.md

@@ -510,7 +510,7 @@ export const TagEdit = () => (
 
 - `label`: the label of the tab
 - `path`: the path of the tab in the URL (ignored when `syncWithLocation={false}`)
-- `count`: the number of items in the tab (dislayed close to the label)
+- `count`: the number of items in the tab (displayed close to the label)
 - `sx`: custom styles to apply to the tab
 - `children`: the content of the tab (usually a list of inputs)
 

docs/TabbedShowLayout.md

@@ -86,7 +86,7 @@ It accepts the following props:
 - `label`: The string displayed for each tab
 - `icon`: The icon to show before the label (optional). Must be a component.
 - `path`: The string used for custom urls (optional)
-- `count`: the number of items in the tab (dislayed close to the label)
+- `count`: the number of items in the tab (displayed close to the label)
 
 ```jsx
 // in src/posts.js