diff --git a/_data/changelogs/component-combo-box.yml b/_data/changelogs/component-combo-box.yml
index 983663fa8..1824e3e5a 100644
--- a/_data/changelogs/component-combo-box.yml
+++ b/_data/changelogs/component-combo-box.yml
@@ -2,6 +2,15 @@ title: Combo box
 type: component
 changelogURL:
 items:
+  - date: NNNN-NN-NN
+    summary: Added the aria-describedby value to combobox.
+    summaryAdditional:  Screen readers can take advantage of aria-describedby value included in combobox.
+    isBreaking: false
+    affectsJavascript: false
+    affectsAccessibility: true
+    githubPr: 6411
+    githubRepo: uswds
+    versionUswds: N.NN.N
   - date: 2024-11-13
     summary: Updated the order of combo box search results.
     summaryAdditional:  The component now displays options that start with the query at the top of the list, followed by options that contain the query. This behavior more closely aligns with user expectations.
diff --git a/_data/changelogs/component-time-picker.yml b/_data/changelogs/component-time-picker.yml
index 12eb42ab0..f60aeaccb 100644
--- a/_data/changelogs/component-time-picker.yml
+++ b/_data/changelogs/component-time-picker.yml
@@ -3,6 +3,15 @@ type: component
 changelogURL:
 
 items:
+  - date: NNNN-NN-NN
+    summary: Aria-describedby value was added to combobox used by the time picker component.
+    summaryAdditional: Screen readers can take advantage of the aria-describedby value in combobox for the time picker component.
+    isBreaking: false
+    affectsJavascript: false
+    affectsAccessibility: true
+    githubPr: 6411
+    githubRepo: uswds
+    versionUswds: N.NN.N
   - date: 2024-11-13
     summary: Updated the time picker hint text to improve clarity.
     summaryAdditional: This update allows the component to meet the success criteria in [WCAG 3.3.2](https://www.w3.org/WAI/WCAG21/Understanding/labels-or-instructions.html).