Update Changes.md

Author: cristianoc

Changes.md

@@ -6,4 +6,5 @@
 - Support syntax highlight in hover fenced blocks.
 - Fix printing of variant arguments.
 
-## This [commit](https://github.com/rescript-lang/rescript-editor-support/commit/d45f45793a307a3bb87dcac0542fd412669f1b6e) is vendored in [rescript-vscode 1.0.0](https://github.com/rescript-lang/rescript-vscode/releases/tag/1.0.0).
+## Release 1.0.0 of rescript-vscode 
+This [commit](https://github.com/rescript-lang/rescript-editor-support/commit/d45f45793a307a3bb87dcac0542fd412669f1b6e) is vendored in [rescript-vscode 1.0.0](https://github.com/rescript-lang/rescript-vscode/releases/tag/1.0.0).