diff --git a/appendixa/introduction.xml b/appendixa/introduction.xml
index 972a9eb98..e131c60b9 100644
--- a/appendixa/introduction.xml
+++ b/appendixa/introduction.xml
@@ -40,7 +40,7 @@ which programs from which packages are needed to successfully compile
the package to be installed.
These are not running dependencies, meaning they don't tell you
-what programs are needed to use that packages programs. Just the ones
+what programs are needed to use that package's programs, just the ones
needed to compile it.
The dependency list can be, from time to time, outdated in regards