diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5392981..f6e3a33 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,36 +19,30 @@ concurrency:
 jobs:
   # The CI test job
   test:
-    name: ${{ matrix.gap-branch }}
+    name: ${{ matrix.gap-version }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        gap-branch:
-          - master
-          - stable-4.16
-          - stable-4.15
-          - stable-4.14
-          - stable-4.13
-          - stable-4.12
-          - stable-4.11
-          - stable-4.10
-          - stable-4.9
+        gap-version:
+          - 'devel'   # current GAP development version from git
+          - 'latest'  # latest GAP release
+          - 'minimal' # oldest GAP release supported by this package
 
     steps:
       - uses: actions/checkout@v6
       - name: 'Install additional dependencies'
         run: |
           sudo apt-get install libpcre2-dev
-      - uses: gap-actions/setup-gap@v2
+      - uses: gap-actions/setup-gap@v3
         with:
-          GAPBRANCH: ${{ matrix.gap-branch }}
-      - uses: gap-actions/build-pkg@v1
-      - uses: gap-actions/run-pkg-tests@v3
-      - uses: gap-actions/run-pkg-tests@v3
+          gap-version: ${{ matrix.gap-version }}
+      - uses: gap-actions/build-pkg@v3
+      - uses: gap-actions/run-pkg-tests@v4
+      - uses: gap-actions/run-pkg-tests@v4
         with:
-          only-needed: true
-      - uses: gap-actions/process-coverage@v2
+          mode: onlyneeded
+      - uses: gap-actions/process-coverage@v3
       - uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/gap/CoxIter.gd b/gap/CoxIter.gd
index 606935d..686e387 100644
--- a/gap/CoxIter.gd
+++ b/gap/CoxIter.gd
@@ -44,13 +44,14 @@ CoxIterType := NewType( CoxIterFamily, IsCoxIter and IsCoxIterRep and IsAttribut
 
 #! @Arguments gr, dimension
 #! @Returns a CoxIter object
-#! @Label CreateCoxIterFromCoxeterGraph
+#! @Label
 #! @Description
 #! Creates a CoxIter object from the Coxeter graph <A>gr</A>. If the dimension <A>dim</A> is unknown, 0 can be given.
 DeclareOperation( "CreateCoxIterFromCoxeterGraph", [ IsList, IsInt ] );
 
 #! @Arguments mat, dimension
 #! @Returns a CoxIter object
+#! @Label
 #! @Description
 #!  Creates a CoxIter object from the Coxeter matrix <A>mat</A>. If the dimension <A>dim</A> is unknown, 0 can be given.
 DeclareOperation( "CreateCoxIterFromCoxeterMatrix", [ IsMatrix, IsInt ] );