Doc: build fix for node (use American spelling).

Sorry Trevor, but we've agreed to misspell words.  :)

diff --git a/Documentation/notation/vocal.itely b/Documentation/notation/vocal.itely
index c63eb83c988a84d0d16e5f31cb41fca5ae42908f..1962fe5d143a709be0848f18ea0957096ffb7402 100644 (file)
--- a/Documentation/notation/vocal.itely
+++ b/Documentation/notation/vocal.itely
@@ -593,7 +593,7 @@ Learning Manual:
 Notation Reference:
 @ref{Aligning lyrics to a melody},
 @ref{Automatic syllable durations},
-@ref{Setting automatic beam behaviour}.
+@ref{Setting automatic beam behavior}.
 
 Internals Reference:
 @rinternals{Tunable context properties}.