diff --git a/20211122/hp-20211122.pdf b/20211122/hp-20211122.pdf
index 029ba1ad0d26847b158f81dd269a40877254922d..332771de9d247552e424367c9d2ad6c462511354 100644
Binary files a/20211122/hp-20211122.pdf and b/20211122/hp-20211122.pdf differ
diff --git a/20211122/hp-20211122.tex b/20211122/hp-20211122.tex
index ba182dc0a57ff755f298d6d05545e1c535073b78..f5b53222d60e2bad967e946c5489f735f8689fb4 100644
--- a/20211122/hp-20211122.tex
+++ b/20211122/hp-20211122.tex
@@ -20,7 +20,7 @@
 % Attribution-ShareAlike 3.0 Unported License along with this
 % document.  If not, see <http://creativecommons.org/licenses/>.
 
-% README: I/O-Ports, Interrupts
+% README: Interrupts, volatile-Variable, Byte-Reihenfolge - Endianness
 
 \documentclass[10pt,t]{beamer}
 
@@ -65,6 +65,7 @@
         \item[4.3] Interrupts
         \item[4.4] volatile-Variable
         \item[4.6] Byte-Reihenfolge -- Endianness
+        \color{black}
         \item[4.7] Binärdarstellung negativer Zahlen
         \item[4.8] Speicherausrichtung -- Alignment
       \end{itemize}
@@ -644,6 +645,8 @@
 
 \end{frame}
 
+\iffalse
+
 \subsubsection{Datenübertragung}
 
 \begin{frame}
@@ -852,6 +855,8 @@
 
 \end{frame}
 
+\fi
+
 \nosectionnonumber{\inserttitle}
 
 \begin{frame}
@@ -872,12 +877,13 @@
     \item[\textbf{4}] \textbf{Hardwarenahe Programmierung}
       \begin{itemize}
         \item[4.1] Bit-Operationen
-        \color{medgreen}
         \item[4.2] I/O-Ports
+        \color{medgreen}
         \item[4.3] Interrupts
         \item[4.4] volatile-Variable
-        \color{red}
+        \color{orange}
         \item[4.6] Byte-Reihenfolge -- Endianness
+        \color{red}
         \item[4.7] Binärdarstellung negativer Zahlen
         \item[4.8] Speicherausrichtung -- Alignment
       \end{itemize}