Update README.md

Edited Changelog entry to improve readability

changelog/README.md

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 # Changelog
 
 ## 11th October 2024
-* Add `rolling` to [release strategy type](../mews-operations/availabilityBlock.md#release-strategy-type) and `offset` to [release strategy](../mews-operations/availabilityBlock.md#release-strategy) to support _rolling release strategy_.
-* Update _contract_ and _description_ for `fixedDate` in [release strategy](../mews-operations/availabilityBlock.md#release-strategy). It's mandatory just for `fixed` [release strategy type](../mews-operations/availabilityBlock.md#release-strategy-type).
-* Extend [CHM: availability block](../channel-manager-operations/availabilityBlock.md#availability-block) by [`releaseStrategy`](../mews-operations/availabilityBlock.md#release-strategy) to support `rolling` [release strategy type](../mews-operations/availabilityBlock.md#release-strategy-type). 
-* Deprecated `releasedDate` in [CHM: Dates](../channel-manager-operations/availabilityBlock.md#dates) and replaced by `fixedDate` of [release strategy](../mews-operations/availabilityBlock.md#release-strategy). see [Deprecations](../deprecations/README.md#deprecated-properties).
+* [Mews: Process availability block](../mews-operations/availabilityBlock.md) – Added `Rolling` to release strategy type; added `offset` property to release strategy object, and updated contract and description for `fixedDate` property (NOT a breaking change)
+* [CHM: Process availability block](../channel-manager-operations/availabilityBlock.md) – Added `releasedStrategy` property to availability block object and deprecated `releasedDate` property – see [Deprecations](../deprecations/README.md).
 
 ## 10th October 2024