diff --git a/25_Outline/outline.tex b/25_Outline/outline.tex
index ff6d1d8..4762c3a 100644
--- a/25_Outline/outline.tex
+++ b/25_Outline/outline.tex
@@ -18,7 +18,7 @@
 
 \section{Research Gap}
 
-There exists research on group recommenders and research on recommenders for configuration but there does not exists research recommendation for group configuration. An approach for group recommenders is collaborative filtering. This approach is used also in recommenders for configuration. That is why adapting these approaches to suit the use case of group recommenders for configuration.
+There exists research on group recommenders and research on recommenders for configuration but there does not exists research on recommendation for group configuration. An approach for group recommenders is collaborative filtering. This approach is used also in recommenders for configuration. That is why adapting these approaches to suit the use case of group recommenders for configuration.
 
 Commonly for collaborative filtering with group recommenders the preferences of the group members are combined with an aggregation function to generate a group profile. This profile is compared to historic group profiles from other groups and their choice of items (e.g. songs to listen to, things to buy) is used for recommendations.