fix issue gaoxiang12#33

sathishram12 · Mar 8, 2021 · ecc8424 · ecc8424
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diff --git a/chapters/rigidBody.tex b/chapters/rigidBody.tex
@@ -465,7 +465,7 @@ \subsection{Euler Angles}
 \begin{figure}[!t]
     \centering
     \includegraphics[width=1.0\textwidth]{rigidMotion/eulerAngles.pdf}
-    \caption{Euler angles. The top is defined for the ZYX order (rpy order). The bottoms shows when pitch=$90^\circ$, the third rotation is using the same axis as the first one, causing the system to lose a degree of freedom. If you don't understand the universal lock, please take a look at the related videos and it will be more convenient to understand. }
+    \caption{Euler angles. The top is defined for the ZYX order (ypr order). The bottoms shows when pitch=$90^\circ$, the third rotation is using the same axis as the first one, causing the system to lose a degree of freedom. If you don't understand the gimbal lock, please take a look at the related videos and it will be more convenient to understand. }
     \label{fig:eulerAngles}
 \end{figure}
 

diff --git a/slambook-en.pdf b/slambook-en.pdf