diff --git a/docs/mastering-plone-5/behaviors_1.md b/docs/mastering-plone-5/behaviors_1.md
index 369499c1f..d658131c9 100644
--- a/docs/mastering-plone-5/behaviors_1.md
+++ b/docs/mastering-plone-5/behaviors_1.md
@@ -198,6 +198,6 @@ We must add the behavior to {file}`profiles/default/types/talk.xml`:
 </object>
 ```
 
-[plone5_fieldset]: https://5.docs.plone.org/develop/addons/schema-driven-forms/customising-form-behaviour/fieldsets.html?highlight=fieldset
+[plone5_fieldset]: https://5.docs.plone.org/develop/addons/schema-driven-forms/customising-form-behaviour/fieldsets.html
 [plone5_iformfieldprovider]: https://5.docs.plone.org/external/plone.app.dexterity/docs/advanced/custom-add-and-edit-forms.html?highlight=iformfieldprovider#edit-forms
 [plone5_plone.supermodel]: https://5.docs.plone.org/external/plone.app.dexterity/docs/schema-driven-types.html#schema-interfaces-vs-other-interfaces
diff --git a/docs/mastering-plone/about_mastering.md b/docs/mastering-plone/about_mastering.md
index e4d24c40e..b0b803631 100644
--- a/docs/mastering-plone/about_mastering.md
+++ b/docs/mastering-plone/about_mastering.md
@@ -31,7 +31,7 @@ Thank you for reading and your charity with non-native English speakers / writer
 
 ## Upcoming Trainings
 
-Next Plone Conference, usually in october.
+Next Plone Conference, usually in October.
 Announced on [plone.org](https://plone.org)
 
 If you want to have an on-site training or want to attend a public training, please ask for trainings on [community.plone.org](https://community.plone.org) or one of the {ref}`trainers<about-trainers-label>`.
diff --git a/docs/mastering-plone/features.md b/docs/mastering-plone/features.md
index a0ae4773c..f9b9c1232 100644
--- a/docs/mastering-plone/features.md
+++ b/docs/mastering-plone/features.md
@@ -14,7 +14,7 @@ myst:
 % TODO Short appetizer on all the fancy features.
 
 Now we create a Plone instance and take a look at all the features you can use as an integrator.
-Developers get a glimps on the features that can be modified easily.
+Developers get a glimpse on the features that can be modified easily.
 
 (features-start-stop-label)=
 
@@ -44,7 +44,7 @@ Zope instance is up and running, ready to create a Plone instance.
 
 We now have a running Zope with a database, but no content.
 
-Push the botton {guilabel}`Create a new Plone site`.
+Push the button {guilabel}`Create a new Plone site`.
 Log in with `admin` and password `secret`.
 The initial login is defined in file `instance.yaml`.
 You should change your password in production sites via `http://localhost:8080/acl_users/users/manage_users`.
@@ -213,7 +213,7 @@ Edit the front page:
 - Change the title to `Plone Conference 2050, Solis Lacus, Mars`.
 - Remove the text blocks below the title by selecting all and deleting them.
 - Add some dummy text.
-- Click somewhere in the text, press return and see the block beeing splitted.
+- Click somewhere in the text, press return and see the block being splitted.
 - Save the page.
 
 If you have already content in your instance, you may want to delete it.