diff --git a/.gitignore b/.gitignore
index db4d280..d76cb37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,10 @@
-venv
+.venv
 activate
 
+# Docs
+docs/_api/
+docs/_build/
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
@@ -71,9 +75,6 @@ instance/
 # Scrapy stuff:
 .scrapy
 
-# Sphinx documentation
-docs/_build/
-
 # PyBuilder
 target/
 
diff --git a/DEVELOP.md b/DEVELOP.md
index b054858..def6421 100644
--- a/DEVELOP.md
+++ b/DEVELOP.md
@@ -1,14 +1,14 @@
 # Release TODO
+
 - change version number
 - make sure requirements.txt and test/requirements.txt matches setup.py.
 
-- >> make clean
-- >> make format
-- >> make lint
-- >> make doc
-- >> make tox
-- >> make tox-report
+- > > make clean
+- > > make lint
+- > > make doc
+- > > make tox
+- > > make tox-report
 
 - merge to master branch
-- >> make clean
-- >> make upload
+- > > make clean
+- > > make upload
diff --git a/Makefile b/Makefile
index 797bcbe..0263b2e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@ RM = rm -rf
 TWINE = twine
 TOX = tox
 LINT = pylint --rcfile=./.pylintrc
-FORMAT = $(PY) -m black --color --diff
+FORMAT = black --color
 
-.PHONY: all check dist sdist test tox tox-v tox-vv tox-report lint format doc upload clean
+.PHONY: all check dist sdist test tox tox-v tox-vv tox-report lint doc upload clean
 
 all: dist check test
 
@@ -17,10 +17,8 @@ sdist bdist_wheel:
 	$(PY) setup.py $@
 
 lint:
-	$(LINT) ckip_transformers
-
-format:
 	$(FORMAT) ckip_transformers
+	$(LINT) ckip_transformers
 
 check:
 	$(TWINE) check dist/*
diff --git a/README.rst b/README.rst
index 6b5b6a7..2e4b131 100644
--- a/README.rst
+++ b/README.rst
@@ -374,7 +374,7 @@ NLP Tools Usage
 .. code-block:: python
 
    # Sets the batch size and maximum sentence length
-   ws = ws_driver(text, batch_size=256, max_length=512)
+   ws = ws_driver(text, batch_size=256, max_length=128)
 
 4. Show results
 """""""""""""""
diff --git a/ckip_transformers/__init__.py b/ckip_transformers/__init__.py
index d740c4b..5413376 100644
--- a/ckip_transformers/__init__.py
+++ b/ckip_transformers/__init__.py
@@ -10,7 +10,7 @@
 __copyright__ = "2020 CKIP Lab"
 
 __title__ = "CKIP Transformers"
-__version__ = "0.2.7"
+__version__ = "0.2.8"
 __description__ = "CKIP Transformers"
 __license__ = "GPL-3.0"
 
diff --git a/docs/_static/custom.css b/docs/_static/custom.css
index a5ab326..25ec0dc 100644
--- a/docs/_static/custom.css
+++ b/docs/_static/custom.css
@@ -1,26 +1,28 @@
 /* header */
 
 h1 {
-	font-size: 250%;
+  font-size: 250%;
 
-	display: inline-block;
-	border-bottom: 3px solid #2980b9;
+  display: inline-block;
+  border-bottom: 3px solid #2980b9;
 }
 
 /* content */
 
 .rst-content p.rubric {
-	font-size: 125%;
+  font-size: 125%;
 }
 
 .rst-content table.docutils th p {
-	margin-bottom: 0;
+  margin-bottom: 0;
 }
 
-.rst-content tt.literal, .rst-content tt.literal, .rst-content code.literal {
-	color: #0057A9;
+.rst-content tt.literal,
+.rst-content tt.literal,
+.rst-content code.literal {
+  color: #0057a9;
 }
 
 .wy-nav-content {
-	max-width: 1280px;
+  max-width: 1280px;
 }