diff --git a/documentation/slides/slides.tex b/documentation/slides/slides.tex
index d5ca8f6..1f0acda 100644
--- a/documentation/slides/slides.tex
+++ b/documentation/slides/slides.tex
@@ -1,5 +1,6 @@
 \documentclass{beamer}
 
+% To avoid warning `Token not allowed in a PDF string (Unicode):(hyperref) removing `\\'`
 \pdfstringdefDisableCommands{%
   \def\\{}%
 }