Fixes on GitLab and Filters #360

Author: danciaclara

docs/core-concepts/issues/visualise_filter.mdx

@@ -19,7 +19,7 @@ Filters live in their own dedicated row below the main toolbar, making them alwa
 
 To start filtering your work items:
 
-1. Click the **Filter** button to open a dropdown with all the fields. 
+1. Click the Filters icon button to open a dropdown with all the fields. 
 2. Select any field (State, Priority, Assignee, etc.) to add a filter condition.
 3. Choose your operator from the dropdown (like "is", "is not", "after", etc.).
 4. Select one or more values you want to filter the field by. 

docs/integrations/github.mdx

@@ -277,7 +277,7 @@ The lifecycle of a pull request can be [mapped](#configure-pr-state-automation)
 - The PR is successfully merged.
 - The PR is closed without merging.
 
-### Issue backlinks in pull requests
+### Work item backlinks in pull requests
 
 When a PR references Plane work items, Plane will post a confirmation comment on the pull request, ensuring visibility into which issues are linked.
 

docs/integrations/gitlab.mdx

@@ -162,6 +162,6 @@ The lifecycle of a pull request can be mapped to workflow states in Plane. The f
 - The PR is successfully merged.
 - The PR is closed without merging.
 
-### Issue backlinks in pull requests
+### Work item backlinks in pull requests
 
 When a PR references Plane work items, Plane will post a confirmation comment on the pull request, ensuring visibility into which issues are linked.