fixup! fixup! Update design flow image

graphics/design_flow.tex

@@ -11,6 +11,6 @@ draw=black!50, thick, font=\footnotesize, fill=white},
     \draw[fill=lightgray] (-1.7cm,-3cm) rectangle (5cm, -7.2cm);
     \input{design_flow.tikz}
     \draw (3.4cm,0cm) node[draw=none, fill=none,text width=2.9cm] (wf) {Systems Engineering:\\Waterfall};
-    \node (ridm)[right=1 of fs, fill=none, draw=none] {Rapid iterative Design Method};
+    \node (ridm)[right=1 of fs, fill=none, draw=none] {Rapid Iterative Design Method};
 \end{tikzpicture}
 \end{document}