diff --git a/paper/paper.bib b/paper/paper.bib
index 3f386e9..9231ddf 100644
--- a/paper/paper.bib
+++ b/paper/paper.bib
@@ -9,7 +9,6 @@ @Misc{scipy
 @misc{zenodo,
   author       = {Sebastian Müller},
   title        = {pentapy},
-  month        = mar,
   year         = 2019,
   doi          = {10.5281/zenodo.2587158},
   url          = {https://doi.org/10.5281/zenodo.2587158}
diff --git a/pentapy/_version.py b/pentapy/_version.py
index 8ae2196..e5b29ce 100644
--- a/pentapy/_version.py
+++ b/pentapy/_version.py
@@ -1,2 +1,2 @@
-"""Provide a central version"""
-__version__ = "1.0.0.dev0"
+"""Provide a central version."""
+__version__ = "1.0.0.rc1"
diff --git a/pentapy/core.py b/pentapy/core.py
index 6468032..7f7ddbf 100644
--- a/pentapy/core.py
+++ b/pentapy/core.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-The core module of pentapy
+The core module of pentapy.
 
 The following functions are provided
 
diff --git a/pentapy/py_solver.py b/pentapy/py_solver.py
index 668827c..11a4e09 100644
--- a/pentapy/py_solver.py
+++ b/pentapy/py_solver.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-This is a solver for linear equation systems with a penta-diagonal matrix.
+A solver for linear equation systems with a penta-diagonal matrix.
 
 This is the python implementation.
 
diff --git a/pentapy/tools.py b/pentapy/tools.py
index ce77160..7fe8825 100644
--- a/pentapy/tools.py
+++ b/pentapy/tools.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-The tools module of pentapy
+The tools module of pentapy.
 
 The following functions are provided
 
@@ -193,7 +193,7 @@ def create_banded(mat, up=2, low=2, col_wise=True, dtype=None):
 
 
 def create_full(mat, up=2, low=2, col_wise=True):
-    """Create a (n x n) Matrix from a given banded matrix
+    """Create a (n x n) Matrix from a given banded matrix.
 
     The given Matrix has to be a flattend matrix.
     Either in a column-wise flattend form::