diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 5be0025b6d94a09403bb56b230a5a483cbc824cc..42269a1f676f6ce38a4b03ed3732ea245def488d 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -517,7 +517,7 @@
   beforeskip=-2ex \@plus -1ex \@minus -.2ex,%
   afterskip=0.4ex \@plus.2ex,%
   tocindent=0pt,%
-  tocnumwidth=1.5em%
+  tocnumwidth=1.5em %
 ]{section}
 \RedeclareSectionCommand[%
   style=section,%
@@ -526,7 +526,7 @@
   beforeskip=-1.2ex\@plus -1ex \@minus -.2ex,%
   afterskip=0.1ex \@plus .2ex,%
   tocindent=1.5em,%
-  tocnumwidth=2.3em%
+  tocnumwidth=2.3em %
 ]{subsection}
 \RedeclareSectionCommand[%
   style=section,%
@@ -535,7 +535,7 @@
   beforeskip=-1.2ex\@plus -1ex \@minus -.2ex,%
   afterskip=0.1ex \@plus .2ex,%
   tocindent=3.8em,%
-  tocnumwidth=3.2em%
+  tocnumwidth=3.2em %
 ]{subsubsection}
 \RedeclareSectionCommand[%
   style=section,%
@@ -544,7 +544,7 @@
   beforeskip=1.2ex \@plus1ex \@minus.2ex,%
   afterskip=-1em,%
   tocindent=7.0em,%
-  tocnumwidth=4.1em%
+  tocnumwidth=4.1em %
 ]{paragraph}
 \RedeclareSectionCommand[%
   style=section,%
@@ -553,7 +553,7 @@
   beforeskip=1.2ex \@plus1ex \@minus .2ex,%
   afterskip=-1em,%
   tocindent=10em,%
-  tocnumwidth=5em%
+  tocnumwidth=5em %
 ]{subparagraph}
 }
 
diff --git a/ptbposter/tcb-example1.pdf b/ptbposter/tcb-example1.pdf
index e145910a6e13122ae73f067c4842deabffaa6073..1e9affcb388bd0baff07ec70f7e5b4743cd22423 100644
Binary files a/ptbposter/tcb-example1.pdf and b/ptbposter/tcb-example1.pdf differ
diff --git a/ptbposter/tcb-example1.tex b/ptbposter/tcb-example1.tex
index a702918e62b244da0d4b3f28f5cf142efd34cb8b..7407ac164ee42c12ca6420afda93ad3b9f4c7e5a 100644
--- a/ptbposter/tcb-example1.tex
+++ b/ptbposter/tcb-example1.tex
@@ -14,7 +14,7 @@
 \department{7.5 Wärme und Vakuum}
 \location{10587 Berlin}
 \street{Abbestraße 2--12}
-\QRcode{http://www.ptb.de/cms/fachabteilungen/abt7/fb-75/ag-754.html}
+\QRcode{https://gitlab1.ptb.de/niepra01/ptb-latex/-/tree/master/ptbposter}
 
 \Author{Rolf}{Niepraschk}
 
@@ -106,7 +106,7 @@ Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla
     \section{Boxparameter}
 \begin{verbatim}
 \begin{posterboxenv}[adjusted title=Blabla,text fill]%
-  {name=ABC,column=x,row=y,span=m,rowspan=n}|
+  {name=ABC,column=x,row=y,span=m,rowspan=n}
 \end{verbatim}
       \begin{itemize}
         \item "`\verb!adjusted title=!"': Titel 
@@ -148,8 +148,8 @@ Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla Blabla
   \end{equation}
 \end{posterboxenv}
 
-\begin{posterboxenv}[adjusted title=Das ist Box B3,valign=center]%
-  {name=B3,column=2,between=B2 and A3}
+\begin{posterboxenv}[adjusted title=table-Umgebung (nicht gleitend),%
+  valign=center]{name=B3,column=2,between=B2 and A3}
   \begin{table} \centering
     \begin{multicols}{2}
     \setlength\extrarowheight{.5ex}