diff --git a/Lectures_my/MC_2016/Lecture3/mchrzasz.log b/Lectures_my/MC_2016/Lecture3/mchrzasz.log
index 657c9b2..22e3a7c 100644
--- a/Lectures_my/MC_2016/Lecture3/mchrzasz.log
+++ b/Lectures_my/MC_2016/Lecture3/mchrzasz.log
@@ -1,4 +1,4 @@
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@@ -3229,7 +3229,7 @@
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diff --git a/Lectures_my/MC_2016/Lecture3/mchrzasz.pdf b/Lectures_my/MC_2016/Lecture3/mchrzasz.pdf
index 5ce7047..13017e2 100644
--- a/Lectures_my/MC_2016/Lecture3/mchrzasz.pdf
+++ b/Lectures_my/MC_2016/Lecture3/mchrzasz.pdf
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diff --git a/Lectures_my/MC_2016/Lecture3/mchrzasz.tex b/Lectures_my/MC_2016/Lecture3/mchrzasz.tex
index 19c8cb9..adccb56 100644
--- a/Lectures_my/MC_2016/Lecture3/mchrzasz.tex
+++ b/Lectures_my/MC_2016/Lecture3/mchrzasz.tex
@@ -410,7 +410,7 @@
 \end{align*}
 \item Now each of this subdivisions we divide further into $m_1 +1$ subsubdivisions.
 \begin{align*}
-m_i=K \dfrac{\overline{f} \Delta x_i}{\sum_j \overline{f}_j \Delta x_j},~K=const.~~{{\rm typically~= 1000}}
+m_i=K \dfrac{\overline{f}_i \Delta x_i}{\sum_j \overline{f}_j \Delta x_j},~K=const.~~{{\rm typically~= 1000}}
 \end{align*}
 and
 \begin{align*}