diff --git a/CHANGELOG.md b/CHANGELOG.md
index 122a881..c6f7cc1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,19 +1,23 @@
 # Changelog
 
+## Todo
+
+- [ ] Tests on different platforms (e.g. busybox)
+
 ## [0.2](https://winklerfamilie.eu/git/efelon/rdlink/releases/tag/v0.2) - 2022-03-22
 
-* Fix pattern substitution bugs (found with Bash 3.2.57)
+* Fix pattern substitution bugs (found with bash 3.2.57)
 * Test successful on
-  * Ubuntu x86_64 (Ubuntu 20.04.4 LTS)
-    GNU bash, version 3.2.57(1)-release
+  * Ubuntu x86_64 (Ubuntu 20.04.4 LTS)  
+    **GNU bash, version 3.2.57**
 
 ## [0.1](https://winklerfamilie.eu/git/efelon/rdlink/releases/tag/v0.1) - 2022-03-22
 
 * First relase
 * behavior for normal cases same as readlink -f
 * Tests successful on
-  * Raspberry Pi OS aarch64/arm64 (Debian GNU/Linux 11 (bullseye))
-    GNU bash, version 5.1.4(1)-release
-  * Ubuntu x86_64 (Ubuntu 20.04.4 LTS)
-    GNU bash, Version 5.0.17(1)-release
+  * Raspberry Pi OS aarch64/arm64 (Debian GNU/Linux 11 (bullseye))  
+    **GNU bash, version 5.1.4**
+  * Ubuntu x86_64 (Ubuntu 20.04.4 LTS)  
+    **GNU bash, Version 5.0.17**