Update counts in docs

Author: wooorm

package.json

@@ -5,7 +5,7 @@
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
   "dependencies": {},
-  "description": "Trigram files for 400+ languages",
+  "description": "Trigram files for 500+ languages",
   "devDependencies": {
     "@types/mdast": "^4.0.0",
     "@types/node": "^22.0.0",

readme.md

@@ -4,7 +4,7 @@
 [![Coverage][badge-coverage-image]][badge-coverage-url]
 [![Downloads][badge-downloads-image]][badge-downloads-url]
 
-Trigrams for 460+ languages.
+Trigrams for 500+ languages.
 
 ## Contents