diff --git a/CHANGES.rst b/CHANGES.rst
index 98e7e3d6e6961103155b240c5135c87d0805cc77..62a6ebc2562bc21e716d1e52134017b5bd799d89 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -77,8 +77,10 @@ Node
 
 - **Breaking change**: bumped the node's storage version to
   ``3.0``. This new version changes the store's representation
-  required by the new protocol's semantics. Upgrading to this new
-  version is automatic and irreversible. (MR :gl: `!6835`)
+  required by the new protocol's semantics and the context's format to
+  improve the disk usage footprint while running a context
+  pruning. Upgrading to this new version is automatic and
+  irreversible. (MR :gl: `!6835` and :gl: `!6959`)
 
 - **Breaking change**: bumped the snapshot version to ``5``. This
   version changes internal snapshot file representation to include
diff --git a/src/lib_node_config/data_version.ml b/src/lib_node_config/data_version.ml
index 6a62bb5bb8b1c1db91d6964c01e38f135966ab43..60f22c05fad1b0f6a77050e1429b70f2f2944fc1 100644
--- a/src/lib_node_config/data_version.ml
+++ b/src/lib_node_config/data_version.ml
@@ -100,7 +100,8 @@ end
  *  - (0.)0.8 : context upgrade (upgrade to irmin.3.0)
  *  - 1.0     : context upgrade (upgrade to irmin.3.3)
  *  - 2.0     : introduce context GC (upgrade to irmin.3.4)
- *  - 3.0     : change blocks' context hash semantics *)
+ *  - 3.0     : change blocks' context hash semantics and upgrade to
+                irmin.3.5 *)
 
 (* FIXME https://gitlab.com/tezos/tezos/-/issues/2861
    We should enable the semantic versioning instead of applying