typo

lecture/08_classes.tex

@@ -546,7 +546,7 @@ is provided:
 
 % -------------------------------------------------------------------------------------------------
 \subsection{Destructor\label{sec:destructor}}
-A destructor is kind of the opposite to a construct. It is responsible for releasing all resources allocated in any other constructor of that class, \eg
+A destructor is kind of the opposite to a constructer. It is responsible for releasing all resources allocated in any other constructor of that class, \eg
 to free all memory or to close opened files. A destructor is called whenever the life-time of a class end, either at the end of a scope or explicitly via
 the \cpp{delete} operator.