diff --git a/doc/nes.sgml b/doc/nes.sgml
index 3f8f74183..beb322fc3 100644
--- a/doc/nes.sgml
+++ b/doc/nes.sgml
@@ -67,8 +67,8 @@ Programs containing NES specific code may use the NES specific functions
-waitvsync - wait until the start of the next frameget_tv
+waitvsync - wait until the start of the next frame