diff --git a/CMake/CMakeHelpers.cmake b/CMake/CMakeHelpers.cmake
index 2cc167639343e2d851ad551c9064069ec0ab8146..e7d6180b7d6017e88a70cd4c72fbd96811623ea3 100644
--- a/CMake/CMakeHelpers.cmake
+++ b/CMake/CMakeHelpers.cmake
@@ -1,4 +1,3 @@
-#add docu
 macro (add_event arg1 event_name dir dir_out)
 
   exec_program( "protoc" "${PROTOBUF_BIN}" ARGS "${dir}/${event_name}.proto" "--proto_path=${dir}" "--cpp_out=${dir}" OUTPUT_VARIABLE output )
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..ed959c5978ec2d5e9bf913eb7d6773b3eaa047b7
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,12 @@
+Copyright (c) 2016, Christian Nowke
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
diff --git a/src/nett-python/nett-python.cpp b/src/nett-python/nett-python.cpp
index 7f956443fda5520ef0238b064cd55ca8a713bc66..633d8503fce90e3bfa8e1531ec21da27c006056a 100644
--- a/src/nett-python/nett-python.cpp
+++ b/src/nett-python/nett-python.cpp
@@ -8,7 +8,7 @@
 #include <nett/nett.h>
 
 #include <memory>
-#undef min //oh dear Microsoft: whoever defined min as a macro should be seriously ...
+#undef min //oh dear Microsoft, whoever defined min as a macro should be seriously ...
 
 #include <includes.h> //include auto-generated header for all events