line spacing in table

planning.tex

@@ -53,6 +53,7 @@ Any producer-consumer scenario with a bounded buffer is not serializable at all,
 The producer task and the consumer task must be executed in parallel.
 
 \begin{table}
+  \tabulinesep=0.3em
   \begin{tabu}{l|ll}
                      & parallelizable         & not parallelizable
   \\ \midrule