diff --git a/paper/sections/03-model.tex b/paper/sections/03-model.tex
index f716351ccc67506d21c4ae146f2c50093223541b..50e4ce4983c6b3dbd29e93984c9c1ee92ddbf339 100644
--- a/paper/sections/03-model.tex
+++ b/paper/sections/03-model.tex
@@ -248,7 +248,7 @@ effects (updates) are summarized in Table~\ref{fig:transitions}.
 \begin{tikzpicture}[%
 p_off/.style = {circle, draw=black, inner sep=3mm},
 p_on/.style  = {circle, draw=black, fill=black!40!green, inner sep=3mm},
-arr/.style   = {->, densely dashed, black!60},
+arr/.style   = {->, solid, black!60},
 >=triangle 60,
 font=\footnotesize]
 
@@ -262,8 +262,8 @@ font=\footnotesize]
 
 \begin{pgfonlayer}{background}
 % yellow: ephemeris data available
-\draw[draw={rgb:red,205;green,205;blue,15;black,5}, dashed, fill=yellow!10] (10.5,-1.95) rectangle (13.5,1.35);
-\draw[draw={rgb:red,205;green,205;blue,15;black,5}, dashed, fill=yellow!10] (4.25,-4.15) rectangle (13.5,-1.95);
+\draw[draw={rgb:red,205;green,205;blue,15;black,5}, dashed, fill=yellow!10, rounded corners]
+  (4.25,-4.15) -- (13.5,-4.15) -- (13.5,1.35) -- (10.5,1.35) -- (10.5,-1.95) -- (4.25,-1.95) -- (4.25,-4.15);
 \draw[draw=yellow!10,-] (10.5,-1.95) -- (13.5,-1.95);
 \node (eda) at (6.35, -3.9) {\textcolor{rgb:red,205;green,205;blue,15;black,5}{\textbf{Ephemeris Data Available}}};
 % pink: ranging data available