Update README.md

Author: mevdschee

README.md

@@ -4,7 +4,7 @@
 
 # PHP-CRUD-API
 
-Single file PHP script that adds a REST API to a MySQL 5.6 InnoDB database. PostgreSQL 9.1 and MS SQL Server 2012 are fully supported. There is even limited support for SQLite 3.
+Single file PHP script that adds a REST API to a MySQL 5.5 InnoDB database. PostgreSQL 9.1 and MS SQL Server 2012 are fully supported. There is even limited support for SQLite 3.
 
 Related projects:
 
@@ -24,6 +24,7 @@ These implementations are a proof-of-concept and do only support basic REST CRUD
 
   - PHP 5.3 or higher with MySQLi, libpq, SQLSRV or sqlite3 enabled (PHP 7 recommended)
   - PHP on Windows when connecting to SQL Server 2012
+  - MySQL 5.6 or higher for spatial features in MySQL
   - PostGIS 2.0 or higher for spatial features in PostgreSQL 9.1 or higher
 
 ## Installation