diff --git a/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.tex b/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.tex
index 9bb7e0f..a82768a 100644
--- a/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.tex
+++ b/semester4/ps/ps-jh/probability-and-statistics-cheatsheet.tex
@@ -21,6 +21,8 @@
 \noverticalspacing
 
 % TODO: Short combinatorics summary
+% TODO: Most important sequences transforms
+% TODO: Logarithms (maybe including table), trick with -\ln(...) using \ln(1) - \ln(...)
 
 \section{Basics}
 \input{parts/00_basics/00_probability-space.tex}