Add changelog entry for #1542

Author: voodoos

CHANGES.md

@@ -12,6 +12,8 @@ unreleased
       jump-to-definition'q behavior (#1563)
     - Improve locate's behavior in various ill-typed expressions (#1546, fixes
       #1567 and partially #1543)
+    - Get documentation when the declaration or definition is selected (#1542,
+      fixes #1540)
   + test suite
     - Add multiple tests for locate over ill-typed expressions (#1546)