docs: reorder

docs/modules/postgres.md

@@ -45,6 +45,11 @@ If you need to set a different database, and its credentials, you can use the `W
 [Set Initial database](../../modules/postgres/postgres_test.go) inside_block:withInitialDatabase
 <!--/codeinclude-->
 
+### InitDB arguments
+
+This optional function can be used to send arguments to postgres initdb. The value is a space separated string of arguments as postgres initdb would expect them.
+This is useful for adding functionality like data page checksums: `WithInitDBArgs("--data-checksums")`.
+
 ### Wait Strategies
 
 Given you could need to wait for different conditions, in particular using a wait.ForSQL strategy,
@@ -53,8 +58,3 @@ the Postgres container exposes a `WithWaitStrategy` option to set a custom wait
 <!--codeinclude-->
 [Set Wait Strategy](../../modules/postgres/postgres_test.go) inside_block:withWaitStrategy
 <!--/codeinclude-->
-
-### InitDB arguments
-
-This optional function can be used to send arguments to postgres initdb. The value is a space separated string of arguments as postgres initdb would expect them.
-This is useful for adding functionality like data page checksums: `WithInitDBArgs("--data-checksums")`.