Update changelog: clarify chord feature update for 0.9.0

CHANGELOG.md

@@ -48,7 +48,7 @@
 ### Features
 
 * **Chords:** Display complex (Jazz) Chords correctly ([#933](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/933)), e.g. G7(b9,[#11](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/11))/B, add EngravingRules.renameChord(), addChordName() ([9ee524a](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/commit/9ee524a34c42710bff144cdb1ba0c1a2a684d586)), closes [#930](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/930) [#873](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/873) [#590](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/590) [#786](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/786)
-* **Chords:** Elongate measures for chords (merge PR [#928](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/928)) ([ba3ae42](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/commit/ba3ae428b55783b42a42704bca7a530eec3fdb35))
+* **Chords:** Elongate measures for chords - prevent most chord collisions (merge PR [#928](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/928)) ([ba3ae42](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/commit/ba3ae428b55783b42a42704bca7a530eec3fdb35))
 * **Export:** Add SVG export to OSMD and generateImages_browserless.js -> png|svg option ([#670](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/670)) ([8cf4567](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/commit/8cf4567e19dd58e37a1a8930f40960b5c71a3ef1)), closes [#932](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/932) [#932](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/932)
 * **GraphicalNote:** Add osmd.rules.GNote(note) ([#660](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/660)) to get GraphicalNote from Note ([d1d12c9](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/commit/d1d12c91ca252681097c4883d8425b0863b8267f)), closes [#559](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/559)
 * **GraphicalNote:** Add static GraphicalNote.FromNote(note, osmd.rules) ([#660](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/660), [#659](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/issues/659)) ([acf1c6e](https://github.com/opensheetmusicdisplay/opensheetmusicdisplay/commit/acf1c6ee64366db2d30b7cf942598c51710d9424))