diff --git a/.gitignore b/.gitignore
index 7809bf7..3564af5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -136,3 +136,5 @@ sympy-plots-for-*.tex/
 *.bak
 *.sav
 
+# Mac stupid tmp files
+.DS_Store
diff --git a/Homework 5/Homework 5.pdf b/Homework 5/Homework 5.pdf
index 8403055..d4f6bd8 100644
Binary files a/Homework 5/Homework 5.pdf and b/Homework 5/Homework 5.pdf differ
diff --git a/Homework 5/Homework 5.tex b/Homework 5/Homework 5.tex
index 4156e47..eb3e939 100644
--- a/Homework 5/Homework 5.tex	
+++ b/Homework 5/Homework 5.tex	
@@ -120,7 +120,7 @@ Using those prime implicants we find the boolean function $(\bn{B} + C) \times (
 
 \section{Question 2}
 \subsection{Sub-question 1}
-The truth table of the function is:
+We assume $X_3$ is the most significant bit in the binary number. The truth table of the function is:
 
 \begin{figure}[h]
 \centering{