diff --git a/en_US.ISO8859-1/books/porters-handbook/uses.xml b/en_US.ISO8859-1/books/porters-handbook/uses.xml
index e9a526f567..ccb24e870f 100644
--- a/en_US.ISO8859-1/books/porters-handbook/uses.xml
+++ b/en_US.ISO8859-1/books/porters-handbook/uses.xml
@@ -346,6 +346,16 @@
variables to be set.
+
+ ninja
+
+ (none)
+
+ Uses ninja to build the port. End
+ users can set NINJA_VERBOSE for verbose
+ output.
+
+
openal