diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index f7b2311..e3051cb 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -55,17 +55,14 @@ jobs:
             python: 310
             platform_id: macosx_x86_64
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python
-      uses: actions/setup-python@v4
+    - uses: actions/checkout@v4
+    - name: Set up QEMU
+      if: runner.os == 'Linux'
+      uses: docker/setup-qemu-action@v3
       with:
-        python-version: '3.9'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install setuptools build cibuildwheel
-    - name: Build wheel
-      uses: pypa/cibuildwheel@v2.16.2
+        platforms: all
+    - name: Build wheels
+      uses: pypa/cibuildwheel@v2.22.0
       env:
           CIBW_SKIP: cp36-* cp37-* cp38-* pp*
           CIBW_ARCHS_LINUX: "auto aarch64"
@@ -75,9 +72,9 @@ jobs:
         output-dir: wheelhouse
         config-file: pyproject.toml
     - name: Upload wheels
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
-          name: binary-wheels-${{ matrix.platform_id }}
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: wheelhouse/*.whl
   test:
     needs: [build-sdist]
diff --git a/doc/conf.py b/doc/conf.py
index d4f4734..13b5136 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -167,4 +167,4 @@
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {'python': ('https://docs.python.org/', None)}
diff --git a/doc/index.rst b/doc/index.rst
index 5ff0499..e61a1e4 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -6,7 +6,7 @@
 mashing-pumpkins : m(in|ax)hash
 ===============================
 
-Flexible-yet-pretty-fast minhash/maxhash-related library for Python >= 3.5.
+Flexible-yet-pretty-fast minhash/maxhash-related library for Python > 3.8.
 
 .. toctree::
    :maxdepth: 2
@@ -233,8 +233,8 @@ function returns a non-numerical only use :class:`MaxSketch`.
 An other example is when all elements in the input set are :class:`bytes` and
 the common hashing function SHA1 is wanted. In that case the hashing function
 would look like follows. Note that hashing function can return non-numerical
-values and the hashing function will plainly ignore the :param:`size` and
-:param:`buffer` as no sliding window is wanted.
+values and the hashing function will plainly ignore parameters `size` and
+`buffer` as no sliding window is wanted.
 
 .. code-block:: python
 
diff --git a/src/_xxhash.c b/src/_xxhash.c
index e2b5878..0464936 100644
--- a/src/_xxhash.c
+++ b/src/_xxhash.c
@@ -83,6 +83,6 @@ PyInit__xxhash(void)
     }
 
     PyModule_AddIntConstant(m, "DEFAULT_SEED", XXH_DEFAULT_SEED);
-	
+    
     return m;
 }
diff --git a/src/sequence.py b/src/sequence.py
index 95c5127..9b41105 100644
--- a/src/sequence.py
+++ b/src/sequence.py
@@ -6,27 +6,31 @@
 def chunkpos_iter(nsize: int, lseq: int, w: int) -> (int, int):
     """
     Iterator of chunk indices.
-
+    
     This is made to split a long sequence for the purpose of parallel
-    computing on its constituting ngrams/kmers while not using any
-    around the split points.
-
+    computing on its constituting ngrams/kmers while ensuring no
+    duplicates or misses around the split points.
+    
     For example, a sequence of length 10 for which we want
     ngrams/kmers of length 3 can be decomposed into the following
-    chunks of length 5 would be split into the following 3 chunks:
-
-    |0 1 2 3 4 5 6 7 8 9|
-     |---------|     :  :
-     :     |---------|  :
-     :     :   : |------|
-     0     :   5 :   :  :
-           3     :   8  :
-                 6      |
-
-    - nsize: n in ngram
-    - lseq: length of sequence to chunk
-    - w: width of window
-
+    chunks of length 5:
+    
+    .. code-block:: text
+       
+       |0 1 2 3 4 5 6 7 8 9|
+        |---------|     :  :
+        :     |---------|  :
+        :     :   : |------|
+        0     :   5 :   :  :
+              3     :   8  :
+                    6      |10
+
+    Depending of the combination of parameters, last chunk may be be shorter
+    than the desired size `w`.
+
+    :param:nsize: n in ngram
+    :param:lseq: length of sequence to chunk
+    :param:w: width of window (that is the desired length/size of the chunk)
     """
 
     assert nsize <= w