diff --git a/reviewOfFamousFunctions/digInPolynomialFunctions.tex b/reviewOfFamousFunctions/digInPolynomialFunctions.tex
index 001a55e..1abfe83 100644
--- a/reviewOfFamousFunctions/digInPolynomialFunctions.tex
+++ b/reviewOfFamousFunctions/digInPolynomialFunctions.tex
@@ -89,7 +89,7 @@ \section{What can the graphs look like?}
 		That means our graph will have $x$-intercepts at those locations.
 		
 		At these $x$-intercepts, will the graph pass through the $x$-axis like a line does, or will it touch the axis and turn back
-		around, like a parabola does at it's vertex?  To answer this, look at a sign-chart for $f$.
+		around, like a parabola does at its vertex?  To answer this, look at a sign-chart for $f$.
 
 		\begin{center}
 		\begin{tikzpicture}