diff --git a/report.tex b/report.tex
index 79c06df..cb319b1 100644
--- a/report.tex
+++ b/report.tex
@@ -282,7 +282,7 @@
 
       % \node[draw=none, above=1mm of gh, font=\scriptsize] {full first order};
       \end{tikzpicture}
-      \caption{Blue: second order systems; red: first order systems. Solid arrows: direct modifications; dashed arrows: relation. Bidirectional arrows: equivalence between systems.}
+      \caption{Blue: second order systems; Red: first order systems. Solid arrows: direct modifications; Dashed arrows: indirect relation. Bidirectional arrows: equivalence.}
     \end{figure}
     \begin{itemize}
       \item Z4 and GH evolve the physical metric, and thus not compatible with the moving puncture method.