diff --git a/README.rst b/README.rst
index fab7d81c..ff240088 100644
--- a/README.rst
+++ b/README.rst
@@ -32,7 +32,7 @@ Anaconda_ or Miniconda_ is required. (Another option is using virtualenv_)
     #conda create -n ENV_NAME python=VERSION
     conda create -n dfttk python=3.6
     #Activate
-    conda active dfttk
+    conda activate dfttk
     #Deactivate
     conda deactivate
 
diff --git a/dfttk/scripts/run_dfttk.py b/dfttk/scripts/run_dfttk.py
index f1dd339e..319acc37 100644
--- a/dfttk/scripts/run_dfttk.py
+++ b/dfttk/scripts/run_dfttk.py
@@ -370,7 +370,7 @@ def run_dfttk():
     pconfig.add_argument("-df", "--default_functional", dest="DEFAULT_FUNCTIONAL", type=str, default="PBE",
                          choices=sorted(Potcar.FUNCTIONAL_CHOICES),
                          help="The default functional. Default: PBE")
-    pconfig.add_argument("-t", "--test_config", dest="TEST_CONFIG", nargs="?", const="all", default="none"
+    pconfig.add_argument("-t", "--test_config", dest="TEST_CONFIG", nargs="?", const="all", default="none",
                          choices=["all", "pymatgen", "atomate"],
                          help="Test for configurations. Note: currently only support for pymatgen.")
     pconfig.set_defaults(func=config)
diff --git a/setup.py b/setup.py
index cad7913d..a5171b2e 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,6 @@ def readme():
         'License :: OSI Approved :: MIT License',
 
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8'