diff --git a/CHANGELOG.unreleased.md b/CHANGELOG.unreleased.md
index a89a80824180..cb9139d258dd 100644
--- a/CHANGELOG.unreleased.md
+++ b/CHANGELOG.unreleased.md
@@ -60,3 +60,37 @@ Examples:
   test(/** @type {!Array} */ (arrOrString).length);
   test(/** @type {!Array} */ (arrOrString).length + 1);
   ```
+
+- Handlebars: Fix {{else}}{{#if}} into {{else if}} merging ([#6080] by [@dcyriller])
+
+  <!-- prettier-ignore --\>
+  ```
+  // Input
+  {{#if a}}
+    a
+  {{else}}
+    {{#if c}}
+      c
+    {{/if}}
+    e
+  {{/if}}
+  
+  // Output (Prettier stable)
+  {{#if a}}
+    a
+  {{else if c}}
+    c
+  e
+  {{/if}}
+  
+  // Output (Prettier master)
+  Code Sample
+  {{#if a}}
+    a
+  {{else}}
+    {{#if c}}
+      c
+    {{/if}}
+    e
+  {{/if}}
+  ```