Update some more tutorials.

Author: tobiasraabe

docs/source/tutorials/cleaning_projects.md

@@ -2,7 +2,7 @@
 
 Projects usually become cluttered with obsolete files after some time.
 
-To clean the project, type
+To clean the project, type `pytask clean`
 
 ```{image} /_static/images/clean-dry-run.svg
 ```

docs/source/tutorials/markers.md

@@ -6,10 +6,9 @@ available markers by using the `pytask markers` command.
 ```{image} /_static/images/markers.svg
 ```
 
-You can use your own markers to select tasks as explained in this
-{ref}`tutorial <markers>`.
+You can use your markers to select tasks as explained in this {ref}`tutorial <markers>`.
 
-If you create your own marker, register it in the configuration file with its name and a
+If you create your marker, register it in the configuration file with its name and a
 description.
 
 ```toml

docs/source/tutorials/plugins.md

@@ -1,24 +1,24 @@
 # Plugins
 
-Since pytask is used in many different contexts, all possible applications are
-unforeseeable and cannot be directly supported by pytask's developers.
+Users employ pytask in many different contexts, making it impossible for pytask's
+maintainers to support all possible use-cases.
 
-Therefore, pytask is built upon [pluggy](https://github.com/pytest-dev/pluggy), a plugin
-framework also used in pytest which allows other developers to extend pytask.
+Therefore, pytask uses [pluggy](https://github.com/pytest-dev/pluggy), a plugin
+framework, for allowing users to extend pytask.
 
 ## Where to find plugins
 
-Plugins can be found in many places.
+You can find plugins in many places.
 
-- All plugins should appear in this {doc}`automatically updated list <../plugin_list>`
+- All plugins should appear in this {doc}`automatically updated list <../plugin_list>`,
   which is created by scanning packages on PyPI.
 - Check out the repositories in the [pytask-dev](https://github.com/pytask-dev) Github
   organization for a collection of officially supported plugins.
-- Check out the [pytask Github topic](https://github.com/topics/pytask) which shows an
+- Check out the [pytask Github topic](https://github.com/topics/pytask), which shows an
   overview of repositories linked to pytask.
 - Search on [anaconda.org](https://anaconda.org/search?q=pytask) for related packages.
 
-## How to implement your own plugin
+## How to implement your plugin
 
 Follow the {doc}`guide on writing a plugin <../how_to_guides/how_to_write_a_plugin>` to
 write your own plugin.

docs/source/tutorials/profiling_tasks.md

@@ -1,7 +1,6 @@
 # Profiling tasks
 
-pytask collects information on the runtime of tasks when they finished successfully. To
-display the information, enter
+pytask collects information on tasks when they succeed. To display the data, enter
 
 ```console
 $ pytask profile