Update few user doc links

Author: adriendupuis

docs/administration/back_office/content_tab_switcher.md

@@ -11,7 +11,7 @@ The following example shows how to add a Meta tab with automatically assigned Ta
 
 ## Add Meta tab
 
-Before you start adding the Meta tab, make sure the content type you want to edit has [Taxonomy Entry Assignment field type]([[= user_doc =]]/content_management/taxonomy/work_with_tags/#assign-tag-to-content-from-taxonomy-tree).
+Before you start adding the Meta tab, make sure the content type you want to edit has [Taxonomy Entry Assignment field type]([[= user_doc =]]/content_management/taxonomy/work_with_tags/#add-taxonomy-entry-assignment-field-to-content-type).
 
 Next, provide the semantic configuration under the `ibexa.system.<scope>.admin_ui_forms` [configuration key](configuration.md#configuration-files):
 

docs/administration/back_office/integrated_help.md

@@ -32,4 +32,4 @@ composer require ibexa/integrated-help
 ```
 
 After installation, the help center is enabled by default for all back office users.
-If needed, they can [disable it in user settings]([[= user_doc =]]/getting_started/discover_ui#disable-help-center).
+If needed, they can [disable it in user settings]([[= user_doc =]]/getting_started/discover_ui/#disable-help-center).