diff --git a/relatedwork.tex b/relatedwork.tex
index 32c9368..b00b6bb 100644
--- a/relatedwork.tex
+++ b/relatedwork.tex
@@ -54,7 +54,7 @@ finite set of maximal types (for more details see Section
 refines this approach by moving to a constraint-based algorithm and by
 considering lambda expressions and Scale-like function types.
 
-Pluemicke has a different approach to introduce wildcards in \cite{Plue09_1}. He
+Pluemicke has a different approach to introduce wildcards in \cite{plue09_1}. He
 allows wildcards as any subsitution for type variables and disclaim the
 capture conversion. Instead he extended
 the subtyping ordering such that for $\theta \sub \theta' \sub \theta''$ holds