Update postgresql.md

docs/core/connectors/postgresql.md

@@ -69,7 +69,7 @@ postgresql://[user[:password]@][netloc][:port][,...][/database][?param1=value1&.
 - `schema`: The name of the target schema. **Default**: `public`.
 - `user`: The database user, e.g. `admin`.
 - `password`: The password for the database user.
-- `connection_limit`: The connection limit specifies the maximum number of simultaneous connections that Prisma might have open to your database. **Default**: `1`.
+- `connection_limit`: The connection limit specifies the maximum number of simultaneous connections that Prisma might have open to your database. The **default value** is calculated according to this formula: `num_physical_cpus * 2 + 1`.
 
 See the next section to learn how you can configure an SSL connection.
 
@@ -86,4 +86,4 @@ You can add various parameters to the connection string if your database server
 - `sslpassword=<PASSWORD>`: The PKCS12 password.
 - `sslaccept=(strict|accept_invalid_certs)`: 
   - `strict` (default): Any missing value in the certificate will lead to an error. For Google Cloud, especially if the database doesn't have a domain name, the certificate might miss the domain/IP address, causing an error when connecting.
-  - `accept_invalid_certs`: Bypass this check. Be aware of the security consequences of this setting.
+  - `accept_invalid_certs`: Bypass this check. Be aware of the security consequences of this setting.