f#: Fix Emacs mode header.

diff --git a/f#-fringe.fs b/f#-fringe.fs
index efcc860..33e8f4d 100644 (file)
--- a/f#-fringe.fs
+++ b/f#-fringe.fs
@@ -1,4 +1,4 @@
-/// -*-f#-mode-*-
+/// -*-fsharp-mode-*-
 ///
 /// F# implementation of a `same-fringe' solver.