diff --git a/main.tex b/main.tex
index 67303ea..daa015a 100644
--- a/main.tex
+++ b/main.tex
@@ -6,6 +6,7 @@
 \usepackage{tnptimes}
 
 \title{Making Text, Numbers and Punctuations in Times}
+
 \author{Jingxuan Yang}
 
 \begin{document}
@@ -29,7 +30,7 @@
 \end{equation}
 
 \begin{equation} 
-R_{z} =\sum_{i=1}^n\int_{i=1}^\infty \frac12 (z \Delta Z),~\text{if}~x>0.
+  R_{z} =\sum_{i=1}^n\int_{i=1}^\infty \frac12 (z \Delta Z),~\text{if}~x>0.
 \end{equation}
 
 \begin{equation}
@@ -38,8 +39,8 @@
 
 \begin{equation}
   \alpha\beta\gamma\delta\epsilon\varepsilon
-\zeta\eta\theta\vartheta\iota\kappa\lambda\mu\nu\xi\pi\varpi
-\rho\sigma\varsigma\tau\upsilon\phi\varphi\chi\psi\omega
+  \zeta\eta\theta\vartheta\iota\kappa\lambda\mu\nu\xi\pi\varpi
+  \rho\sigma\varsigma\tau\upsilon\phi\varphi\chi\psi\omega
 \end{equation}
 
 \end{document}