diff --git a/doc/conf.py b/doc/conf.py
index 9e6996c..762b467 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -30,9 +30,9 @@
 author = u'Lorenzo Crippa and Adriano Amaricci'
 
 # The short X.Y version
-version = u'6.0'
+version = u'6.1'
 # The full version, including alpha/beta/rc tags
-release = u'6.0.0'
+release = u'6.1.0'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 5499ea2..f83b119 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "edipack2py"
-version = "6.0.0"
+version = "6.1.0"
 description = "EDIpack Python module"
 license = { text = "GPL-3.0-or-later" }
 readme = "README.md"
diff --git a/src/edipack2py/func_io.py b/src/edipack2py/func_io.py
index 60afdb7..82c6506 100644
--- a/src/edipack2py/func_io.py
+++ b/src/edipack2py/func_io.py
@@ -1035,7 +1035,7 @@ def get_g0and(self, zeta, bath, ishape=None, typ="n"):
         (for the superconducting case). Can be :code:`n` for normal or :code:`a`\
         for anomalous.
                
-       :raise ValueError: If :code:`zeta` is an array of zeros (cutoff at :math:`10^{-10}` )
+       :raise ValueError: If :code:`zeta` is zero
        :raise ValueError: If :code:`ishape` is not 3 or 5.
                
        :return: An array of complex that contains :math:`G^{And}_{0}(z)` function \
@@ -1172,7 +1172,7 @@ def get_delta(self, zeta, bath, ishape=None, typ="n"):
         (for the superconducting case). Can be :code:`n` for normal or :code:`a`\
         for anomalous.
                
-       :raise ValueError: If :code:`zeta` is an array of zeros (cutoff at :math:`10^{-10}` )
+       :raise ValueError: If :code:`zeta` is zero
        :raise ValueError: If :code:`ishape` is not 3 or 5.
                
        :return: An array of complex that contains :math:`\\Delta(z)` along the \