diff --git a/docs/training_manual/spatial_databases/geometry.rst b/docs/training_manual/spatial_databases/geometry.rst
index 9d627b081f6..bd0f41d78b7 100644
--- a/docs/training_manual/spatial_databases/geometry.rst
+++ b/docs/training_manual/spatial_databases/geometry.rst
@@ -310,7 +310,9 @@ tablespaces:
 
   CREATE TABLESPACE homespace LOCATION '/home/pg';
 
-When you create a database, you can then specify which tablespace to use e.g.::
+When you create a database, you can then specify which tablespace to use e.g.:
+
+.. code-block:: bash
 
   createdb --tablespace=homespace t4a
 
diff --git a/docs/training_manual/spatial_databases/simple_feature_model.rst b/docs/training_manual/spatial_databases/simple_feature_model.rst
index f55b7c54bfb..c5db76a439e 100644
--- a/docs/training_manual/spatial_databases/simple_feature_model.rst
+++ b/docs/training_manual/spatial_databases/simple_feature_model.rst
@@ -69,7 +69,7 @@ sure it has a constraint enforcing geometries to be polygons.
 .. admonition:: Answer
    :class: dropdown
 
-   ::
+   .. code-block: sql
 
      create table cities (id serial not null primary key,
                           name varchar(50),
diff --git a/docs/training_manual/spatial_databases/spatial_queries.rst b/docs/training_manual/spatial_databases/spatial_queries.rst
index 313dd7ff6b5..36e02fb6631 100644
--- a/docs/training_manual/spatial_databases/spatial_queries.rst
+++ b/docs/training_manual/spatial_databases/spatial_queries.rst
@@ -96,7 +96,7 @@ Modify the cities table so its geometry column is spatially indexed.
 .. admonition:: Answer
   :class: dropdown
 
-  ::
+   .. code-block:: psql
 
     CREATE INDEX cities_geo_idx
       ON cities