diff --git a/Documentation/UserManual/manual.tex b/Documentation/UserManual/manual.tex
index 26954ce..c1ef79f 100644
--- a/Documentation/UserManual/manual.tex
+++ b/Documentation/UserManual/manual.tex
@@ -1414,7 +1414,7 @@ Required steps when creating a compound device:
 \item At least two physical devices must be used
 \item At most four physical devices can be combined with a maximum of eight virtual ports
 \end{itemize}
-\item Assign the serialnumbers for each physical device. Serialnumbers for all currently connected devices are available as suggestions but it is also possible to enter a different serialnumber manually
+\item  Assign serial numbers to each physical device. Serial numbers for all currently connected devices are available in the dropdown but it is also possible to enter a different serial number manually
 \item Assign the virtual ports of the compound device:
 \begin{itemize}
 \item Each port number must appear only once