Fix typo

diff --git a/tex/3-input.tex b/tex/3-input.tex
index 3bbdd213a6dec028543336ef08d679576500c5da..76932607fbe347178da3f3718a19cc78857e9d24 100644 (file)
--- a/tex/3-input.tex
+++ b/tex/3-input.tex
@@ -480,7 +480,7 @@ However, we want to let such serendipitous behavior happen because it makes inte
   \includegraphics[height=48mm]{figures/flexstylus-joystickgrip}
   \hfill
   \includegraphics[height=29mm]{figures/flexstylus-rollgrip}
-  \caption[Flexible pen grips]{Three types of grips with a flexible pen. The pen grip, the joystick grip and the rool grip.}
+  \caption[Flexible pen grips]{Three types of grips with a flexible pen. The pen grip, the joystick grip and the roll grip.}
   \label{fig:flexstylus}
 \end{figure}