diff --git a/src/Advanced/Mock a Mockingbird/parts/00 intro.tex b/src/Advanced/Mock a Mockingbird/parts/00 intro.tex
index 8e13a24..776b586 100644
--- a/src/Advanced/Mock a Mockingbird/parts/00 intro.tex	
+++ b/src/Advanced/Mock a Mockingbird/parts/00 intro.tex	
@@ -39,7 +39,7 @@ $$
 	Cx = A(Bx)
 $$
 In other words, this means that $C$'s response to $x$ is the same as $A$'s response to $B$'s response to $x$. \\
-Note that $C$ is exactly the kind of bird $L_1$ guarantees.
+Note that $C$ is exactly the kind of bird the Law of Composition guarantees.
 
 
 \vfill