diff --git a/docs/content/doc/installation/database-preparation.en-us.md b/docs/content/doc/installation/database-preparation.en-us.md
index 3b4a7e958d6df..13a215d81483c 100644
--- a/docs/content/doc/installation/database-preparation.en-us.md
+++ b/docs/content/doc/installation/database-preparation.en-us.md
@@ -15,7 +15,7 @@ menu:
 
 # Database Preparation
 
-You need a database to use Gitea. Gitea supports PostgreSQL, MySQL, SQLite, and MSSQL. This page will guide into preparing database. Only PostgreSQL and MySQL will be covered here since those database engines are widely-used in production.
+You need a database to use Gitea. Gitea supports PostgreSQL (>=10), MySQL (>=5.7), SQLite, and MSSQL (>=2008R2 SP3). This page will guide into preparing database. Only PostgreSQL and MySQL will be covered here since those database engines are widely-used in production.
 
 Database instance can be on same machine as Gitea (local database setup), or on different machine (remote database).
 
diff --git a/docs/content/page/index.en-us.md b/docs/content/page/index.en-us.md
index a5204e17dff78..48ca13cc66e74 100644
--- a/docs/content/page/index.en-us.md
+++ b/docs/content/page/index.en-us.md
@@ -69,10 +69,10 @@ Windows, on architectures like amd64, i386, ARM, PowerPC, and others.
 - Logging
 - Configuration
     - Databases
-        - MySQL
-        - PostgreSQL
+        - MySQL (>=5.7)
+        - PostgreSQL (>=10)
         - SQLite3
-        - MSSQL
+        - MSSQL (>=2008R2 SP3)
         - TiDB (experimental, not recommended)
     - Configuration file
         - [app.ini](https://github.com/go-gitea/gitea/blob/master/custom/conf/app.example.ini)