DOC-2578: Comment out changelog title placeholders for post release f…

…ixes.

modules/ROOT/pages/changelog.adoc

@@ -22,10 +22,10 @@ NOTE: This is the {productname} Community version changelog. For information abo
 * New `disabled` option to restore the previous `readonly` mode behavior, allowing the editor to be displayed in a disabled state.
 // #TINY-11488
 
-=== Improved
-* Base64 data was not properly decoded due to unhandled URL-encoded characters.
+// === Improved
+// * Base64 data was not properly decoded due to unhandled URL-encoded characters.
 // #TINY-9548
-* The `latin` list style type is now recognized as an alias for the `alpha` list style type.
+// * The `latin` list style type is now recognized as an alias for the `alpha` list style type.
 // #TINY-11515
 
 === Fixed
@@ -35,7 +35,7 @@ NOTE: This is the {productname} Community version changelog. For information abo
 // #TINY-11391
 *  Changing the table row type when a contenteditable=false cell was selected would not work as expected.
 // #TINY-11383
-*  The `samp` format was being applied as a `block` level format, instead of an `inline` format.
+// *  The `samp` format was being applied as a `block` level format, instead of an `inline` format.
 // #TINY-11390
 *  Removed title attribute from dialog tree elements as they already have a tooltip.
 // #TINY-11470