Update dev-dependencies

Author: wooorm

package.json

@@ -52,7 +52,7 @@
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
     "unified": "^10.1.0",
-    "xo": "^0.44.0"
+    "xo": "^0.49.0"
   },
   "scripts": {
     "prepack": "npm run build && npm run format",

readme.md

@@ -25,7 +25,7 @@ npm install hast-util-reading-time
 ## Use
 
 Say we have the following HTML from [“Word per minute: Alphanumeric entry” on
-Wikipedia](https://en.wikipedia.org/wiki/Words\_per\_minute#Alphanumeric\_entry) in
+Wikipedia](https://en.wikipedia.org/wiki/Words_per_minute#Alphanumeric_entry) in
 `example.html`:
 
 ```html