diff --git a/model-vis.Rmd b/model-vis.Rmd
index 8e5f0d8..95ad9d9 100644
--- a/model-vis.Rmd
+++ b/model-vis.Rmd
@@ -40,7 +40,7 @@ For very large and complex datasets this is going to be a lot of work. There are
 > A long time ago in art class, my teacher told me "An artist needs to know 
 > when a piece is done. You can't tweak something into perfection - wrap it up. 
 > If you don't like it, do it over again. Otherwise begin something new". Later
-> in life, I heard "A poor seamstress makes many mistake. A good seamstress 
+> in life, I heard "A poor seamstress makes many mistakes. A good seamstress 
 > works hard to correct those mistakes. A great seamstress isn't afraid to 
 > throw out the garment and start over."