diff --git a/report.tex b/report.tex
index 756d3bf..7a9ce0d 100644
--- a/report.tex
+++ b/report.tex
@@ -258,7 +258,7 @@
         std/.style={sys, fill=blue!8},
         fo/.style={sys, fill=red!10, very thick},
         rel/.style={->, thick},
-        weak/.style={->, semithick, dashed}
+        weak/.style={->, semithick, dashed},
         equv/.style={<->, thick}
       ]