diff --git a/docs/cheatsheet.md b/docs/cheatsheet.md
index cabb9ea..cffc560 100644
--- a/docs/cheatsheet.md
+++ b/docs/cheatsheet.md
@@ -383,4 +383,4 @@ Referencing a bug by #bugID in your git commit links it to the slip. For example
 
 ---
 
-License: [CC-BY](https://creativecommons.org/licenses/by/3.0/)
\ No newline at end of file
+License: [CC-BY](https://creativecommons.org/licenses/by/3.0/)
diff --git a/docs/linux.md b/docs/linux.md
index 9f32891..4196dcd 100644
--- a/docs/linux.md
+++ b/docs/linux.md
@@ -1,7 +1,10 @@
 [Overview](readme.md)
 
 - [Shell](#shell)
+- [Misc](#misc)
 
 ## Shell
+[Parallel running and waiting](https://hackaday.com/2021/08/16/linux-fu-walk-chew-gum/)
 
-[Parallel running and waiting](https://hackaday.com/2021/08/16/linux-fu-walk-chew-gum/)
\ No newline at end of file
+## Misc
+[PDF manipulation](https://hackaday.com/2021/07/06/linux-fu-pdf-for-penguins/#more-484877)
diff --git a/docs/readme.md b/docs/readme.md
index 0045cd9..e6a8b7a 100644
--- a/docs/readme.md
+++ b/docs/readme.md
@@ -3,4 +3,5 @@
 ## Table of contents
 - [Cheat sheet](cheatsheet.md)
 - [PHP](php.md)
-- [Linux](linux.md)
\ No newline at end of file
+- [Linux](linux.md)
+- 
\ No newline at end of file