diff --git a/README.md b/README.md
index 710e98b90dc7451b96544359d7f1c5f6aec13216..1f5a03610bab123dd3543e0eadd2d8a0e1c612df 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Navigate to **Settings > Writing** in your WordPress Dashboard, and look for the
 ## Changelog ##
 
 ### 1.4 ###
-* Introduce native Gutenberg sidebar component for supported post types.
+* Introduce block-editor (Gutenberg) sidebar component for supported post types.
 
 ### 1.3 ###
 * Add bulk actions to purge excess or all revisions.
@@ -54,6 +54,9 @@ Navigate to **Settings > Writing** in your WordPress Dashboard, and look for the
 
 ## Upgrade Notice ##
 
+### 1.4 ###
+Introduces block-editor (Gutenberg) sidebar component for supported post types.
+
 ### 1.3 ###
 Introduces bulk actions for purging revisions, along with unit tests. The plugin also conforms to coding standards.
 
diff --git a/readme.txt b/readme.txt
index e246f6a9e7acc294aece4c7deed1f81ac47af51c..729f478f00ebdf83a7d950063221ae30bf3ae109 100644
--- a/readme.txt
+++ b/readme.txt
@@ -36,7 +36,7 @@ Navigate to **Settings > Writing** in your WordPress Dashboard, and look for the
 == Changelog ==
 
 = 1.4 =
-* Introduce native Gutenberg sidebar component for supported post types.
+* Introduce block-editor (Gutenberg) sidebar component for supported post types.
 
 = 1.3 =
 * Add bulk actions to purge excess or all revisions.
@@ -54,6 +54,9 @@ Navigate to **Settings > Writing** in your WordPress Dashboard, and look for the
 
 == Upgrade Notice ==
 
+= 1.4 =
+Introduces block-editor (Gutenberg) sidebar component for supported post types.
+
 = 1.3 =
 Introduces bulk actions for purging revisions, along with unit tests. The plugin also conforms to coding standards.