Updated CHANGELOG

CHANGELOG.md

@@ -2,6 +2,9 @@
 All major and minor version changes will be documented in this file. Details of patch-level version changes can be found in [commit messages](https://github.com/gchq/CyberChef/commits/master).
 
 
+### [9.18.0] - 2020-03-13
+- 'Convert to NATO alphabet' operation added [@MarvinJWendt] | [#674]
+
 ### [9.17.0] - 2020-03-13
 - 'Generate Image' operation added [@pointhi] | [#683]
 
@@ -215,6 +218,7 @@ All major and minor version changes will be documented in this file. Details of
 
 
 
+[9.18.0]: https://github.com/gchq/CyberChef/releases/tag/v9.18.0
 [9.17.0]: https://github.com/gchq/CyberChef/releases/tag/v9.17.0
 [9.16.0]: https://github.com/gchq/CyberChef/releases/tag/v9.16.0
 [9.15.0]: https://github.com/gchq/CyberChef/releases/tag/v9.15.0
@@ -309,6 +313,7 @@ All major and minor version changes will be documented in this file. Details of
 [@matthieuxyz]: https://github.com/matthieuxyz
 [@Flavsditz]: https://github.com/Flavsditz
 [@pointhi]: https://github.com/pointhi
+[@MarvinJWendt]: https://github.com/MarvinJWendt
 
 [#95]: https://github.com/gchq/CyberChef/pull/299
 [#173]: https://github.com/gchq/CyberChef/pull/173
@@ -371,6 +376,7 @@ All major and minor version changes will be documented in this file. Details of
 [#627]: https://github.com/gchq/CyberChef/pull/627
 [#632]: https://github.com/gchq/CyberChef/pull/632
 [#653]: https://github.com/gchq/CyberChef/pull/653
+[#674]: https://github.com/gchq/CyberChef/pull/674
 [#683]: https://github.com/gchq/CyberChef/pull/683
 [#865]: https://github.com/gchq/CyberChef/pull/865
 [#912]: https://github.com/gchq/CyberChef/pull/912