Merge branch 'patch-8' into 'master'

small fix to L33

See merge request !18

Lectures/L33_WhiteBoxTestingContinued/WhiteBoxTestingContinued.tex

@@ -174,7 +174,7 @@ TBD
 
 \begin{itemize}
 \item Desire a test set $T$ that is a finite subset of $D$ that will uncover all errors
-\item Determining and ideal $T$ leads to several
+\item Determining an ideal $T$ leads to several
   \href{https://en.wikipedia.org/wiki/Undecidable_problem}{undecideable
     problems}
 \item No algorithm exists: