diff --git a/LICENCE b/LICENCE
deleted file mode 100644
index e881c31..0000000
--- a/LICENCE
+++ /dev/null
@@ -1,2 +0,0 @@
-This tutorial is distributed under Licence CC BY-NC-SA.
-https://creativecommons.org/licenses/by-nc-sa/4.0/
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b5b3635
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1 @@
+This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
\ No newline at end of file
diff --git a/LICENCE-zmdocument b/LICENSE-zmdocument
similarity index 97%
rename from LICENCE-zmdocument
rename to LICENSE-zmdocument
index bba2924..ba94038 100644
--- a/LICENCE-zmdocument
+++ b/LICENSE-zmdocument
@@ -19,4 +19,4 @@ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+OTHER DEALINGS IN THE SOFTWARE.