diff --git a/workshops/latex/beamer/beamer.tex b/workshops/latex/beamer/beamer.tex
index 492e6447a1a28cd99b05744886d2b3744586feda..577c404a9a3d5871dc45dfd3a1bf3b9d15c7c69b 100644
--- a/workshops/latex/beamer/beamer.tex
+++ b/workshops/latex/beamer/beamer.tex
@@ -94,7 +94,7 @@
   commentstyle=\itshape\color{RoyalBlue},
   keywordstyle=\color{RoyalBlue}\bfseries,
   moretexcs={lstset,subsubsection,paragraph,subsection,color,sl,textcolor,lstinputlisting,newfontfamily,fontsize,section,documentclass,begin,includegraphics,hello,bye,setmainlanguage,setlength,institute,subtitle,alert,only,onslide,titlepage,usetheme,usecolortheme,movie},
-  morekeywords={center,document,flushleft,flushright,itemize,enumerate,tabular,article,polyglossia,geometry,amsmath,graphicx,xcolor,hyperref,frame,example,definition,theorem,proof,block,column,columns,exampleblock,alertblock,Satz,Beispiel,Beweis},
+  morekeywords={center,document,flushleft,flushright,itemize,enumerate,tabular,article,polyglossia,geometry,amsmath,graphicx,xcolor,hyperref,frame,example,definition,theorem,proof,block,column,columns,exampleblock,alertblock,Satz,Beispiel,Beweis,Definition},
   moredelim=**[is][\smash]{@}{@}
 }
 
@@ -263,7 +263,7 @@
       \begin{columns}
         \begin{column}{.45\textwidth}
           \begin{block}{Einfacher Block}
-            Strucktur durch Blöcke
+            Struktur durch Blöcke
           \end{block}
         \end{column}
         \begin{column}<1,3->{.45\textwidth}
@@ -352,7 +352,7 @@
         \item Text, Formeln usw. {\only<2>{\color{red}}teilweise
           \only<2>{\color{green}}farblich} hervorheben
         \item Schöne Fußnoten\footnotemark
-        \item Einfaches Erstellen eigener Themen
+        \item Einfach eigene Themen erstellen
         \item Primitive Animationen
         \item Notizen für den Vortragenden
       \end{itemize}
@@ -373,10 +373,11 @@
 \begin{frame}{Videos}
   \begin{columns}
     \begin{column}{.5\textwidth}
-        \movie[
-          width=\textwidth, height=.625\textwidth, loop
-        ]{\includegraphics[width=\textwidth]{image.jpg}}{movie.mp4}\\
-        Wellenfuntion im Kastenpotential
+      \centering
+      \movie[
+        width=\textwidth, height=.625\textwidth, loop
+      ]{\includegraphics[width=\textwidth]{image.jpg}}{movie.mp4}\\
+      Wellenfuntion im Kastenpotential
     \end{column}
     \begin{column}{.5\textwidth}
       Videos einbetten ist einfach,\\
diff --git a/workshops/latex/beamer/examples/columns2.tex b/workshops/latex/beamer/examples/columns2.tex
index 76fa93688465500e28a531cc5925a8f6184d99e2..281851ea780fc48bdfe065386edaa464e0aafccc 100644
--- a/workshops/latex/beamer/examples/columns2.tex
+++ b/workshops/latex/beamer/examples/columns2.tex
@@ -2,7 +2,7 @@
   \begin{columns}
     \begin{column}{.45\textwidth}
       \begin{block}{Einfacher Block}
-        Strucktur durch Blöcke
+        Struktur durch Blöcke
       \end{block}
     \end{column}
     \begin{column}{.45\textwidth}
diff --git a/workshops/latex/beamer/examples/columns3.tex b/workshops/latex/beamer/examples/columns3.tex
index 700439e0e2bcfd62e2010560850ab1e69ec3e61f..538eff67dd477162c4b3cfb910ed551b38bc0ac3 100644
--- a/workshops/latex/beamer/examples/columns3.tex
+++ b/workshops/latex/beamer/examples/columns3.tex
@@ -2,7 +2,7 @@
   \begin{columns}
     \begin{column}{.45\textwidth}
       \begin{block}{Einfacher Block}
-        Strucktur durch Blöcke
+        Struktur durch Blöcke
       \end{block}
     \end{column}
     \begin{column}<2->{.45\textwidth}
diff --git a/workshops/latex/beamer/examples/columns4.tex b/workshops/latex/beamer/examples/columns4.tex
index ae4bfd5f0b8299bade580017a6051bfd15a65c1b..82f01a342f32f9b766fa9530047b44923055097c 100644
--- a/workshops/latex/beamer/examples/columns4.tex
+++ b/workshops/latex/beamer/examples/columns4.tex
@@ -2,7 +2,7 @@
   \begin{columns}
     \begin{column}{.45\textwidth}
       \begin{block}{Einfacher Block}
-        Strucktur durch Blöcke
+        Struktur durch Blöcke
       \end{block}
     \end{column}
     \onslide<2->