typo

docs/gettingstarted.rst

@@ -161,16 +161,16 @@ We're gonna make the simplest possible example.
 
 .. prerequisites:: Prerequisites
 
-We assume that Rougail's library is installed on your computer (or in a virtual environment).
+    We assume that Rougail's library is installed on your computer (or in a virtual environment).
 
-.. exercise:: Let's make a Hello world
+.. exercise:: Hello world's workshop
 
-Here is the tree structure we want to have::
+    Here is the tree structure we want to have::
 
-    workplace
-    ├── dict
-    │   ├── hello.yml
-    └── hello.py
+        workplace
+        ├── dict
+        │   ├── hello.yml
+        └── hello.py
 
 - Let's make a :file:`workplace` directory, with a :file:`dict` subfolder.
 - First, we need a :term:`dictionary`, so let's make the :file:`hello.yml` file