Update changelog to reflect previous commit

Author: zbjornson

CHANGELOG.md

@@ -16,7 +16,9 @@ project adheres to [Semantic Versioning](http://semver.org/).
 * The C++ class method `nBytes()` now returns a size_t. (Because this is a C++
   method only, this is not considered a breaking change.)
 ### Added
-* Added support for  `inverse()` and `invertSelf()` to `DOMMatrix` (#1648)
+* Add support for  `inverse()` and `invertSelf()` to `DOMMatrix` (#1648)
+* Add support for `context.getTransform()` ([#1769](https://github.com/Automattic/node-canvas/pull/1769))
+* Add support for `context.setTransform(dommatrix)` ([#1769](https://github.com/Automattic/node-canvas/pull/1769))
 ### Fixed
 * Fix `actualBoundingBoxLeft` and `actualBoundingBoxRight` returned by `measureText` to be the ink rect ([#1776](https://github.com/Automattic/node-canvas/pull/1776), fixes [#1703](https://github.com/Automattic/node-canvas/issues/1703)).
 * Fix Pango logging "expect ugly output" on Windows (#1643)