diff --git a/README.md b/README.md
index b4d61fe..0bf5db7 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,9 @@ The Arsse has the following requirements:
     - [intl](http://php.net/manual/en/book.intl.php), [json](http://php.net/manual/en/book.json.php), [hash](http://php.net/manual/en/book.hash.php), and [pcre](http://php.net/manual/en/book.pcre.php)
     - [dom](http://php.net/manual/en/book.dom.php), [simplexml](http://php.net/manual/en/book.simplexml.php), and [iconv](http://php.net/manual/en/book.iconv.php) (for picoFeed)
     - Either of:
-        - [sqlite3](http://php.net/manual/en/book.sqlite3.php) or [pdo_sqlite](http://ca1.php.net/manual/en/ref.pdo-sqlite.php) for SQLite databases
-        - [pgsql](http://php.net/manual/en/book.pgsql.php) or [pdo_pgsql](http://ca1.php.net/manual/en/ref.pdo-pgsql.php) for PostgreSQL 9.1 or later databases
-        - [mysqli](http://php.net/manual/en/book.mysqli.php) or [pdo_mysql](http://ca1.php.net/manual/en/ref.pdo-mysql.php) for MySQL 8.0.7 or later databases
+        - [sqlite3](http://php.net/manual/en/book.sqlite3.php) or [pdo_sqlite](http://php.net/manual/en/ref.pdo-sqlite.php) for SQLite databases
+        - [pgsql](http://php.net/manual/en/book.pgsql.php) or [pdo_pgsql](http://php.net/manual/en/ref.pdo-pgsql.php) for PostgreSQL 9.1 or later databases
+        - [mysqli](http://php.net/manual/en/book.mysqli.php) or [pdo_mysql](http://php.net/manual/en/ref.pdo-mysql.php) for MySQL 8.0.7 or later databases
 - Privileges to create and run daemon processes on the server
 
 ## Installation