diff --git a/documents/normal-distribution/normal-distribution.pdf b/documents/normal-distribution/normal-distribution.pdf
index e46a098..c14dd91 100644
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diff --git a/documents/normal-distribution/normal-distribution.png b/documents/normal-distribution/normal-distribution.png
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diff --git a/documents/normal-distribution/normal-distribution.tex b/documents/normal-distribution/normal-distribution.tex
index fe2ff36..280c56d 100644
--- a/documents/normal-distribution/normal-distribution.tex
+++ b/documents/normal-distribution/normal-distribution.tex
@@ -12,7 +12,7 @@
 
 \begin{document}
     \pagenumbering{gobble}
-    \section*{Normal distribution cumulative distribution function (CDF)}
+    \section*{Cumulative distribution function (CDF) of the normal distribution}
 
 \pgfmathdeclarefunction{gauss}{3}{%
   \pgfmathparse{1/(#3*sqrt(2*pi))*exp(-((#1-#2)^2)/(2*#3^2))}%