diff --git a/doc/src/Eqs/angle_class2_p6.jpg b/doc/src/Eqs/angle_class2_p6.jpg
deleted file mode 100644
index c096f6922c..0000000000
Binary files a/doc/src/Eqs/angle_class2_p6.jpg and /dev/null differ
diff --git a/doc/src/Eqs/angle_class2_p6.tex b/doc/src/Eqs/angle_class2_p6.tex
deleted file mode 100644
index 37fd87e9ec..0000000000
--- a/doc/src/Eqs/angle_class2_p6.tex
+++ /dev/null
@@ -1,15 +0,0 @@
-\documentclass[12pt]{article}
-
-\pagestyle{empty}
-\begin{document}
-
-$$
-  E_{a} = K_2\left(\theta - \theta_0\right)^2 + K_3\left(\theta - \theta_0\right)^3 + K_4\left(\theta - \theta_0\right)^4 + K_5\left(\theta - \theta_0\right)^5 + K_6\left(\theta - \theta_0\right)^6
-$$
-
-\end{document}
-
-%%% Local Variables:
-%%% mode: latex
-%%% TeX-master: t
-%%% End:
diff --git a/doc/src/dynamical_matrix.rst b/doc/src/dynamical_matrix.rst
index c99f0f6ecc..623ab4b4f1 100644
--- a/doc/src/dynamical_matrix.rst
+++ b/doc/src/dynamical_matrix.rst
@@ -78,7 +78,7 @@ Related commands
 :doc:`fix phonon <fix_phonon>`
 
 :doc:`compute hma <compute_hma>` uses an analytic formulation of the
-Hessian provided by a pair_style's Pair::single\_hessian() funcion,
+Hessian provided by a pair_style's Pair::single\_hessian() function,
 if implemented.
 
 Default