Make header shorter so it fits on one line.

rspeele · rspeele · commit f3d788f95e6e · 2017-07-30T13:59:08.000-04:00
diff --git a/doc/Tutorial/SwitchBackends.md b/doc/Tutorial/SwitchBackends.md
@@ -1,6 +1,6 @@
 (this page is part of [the Rezoom.SQL tutorial](README.md))
 
-# Switching from SQLite to SQL Server or PostgreSQL
+# Switching to SQL Server or PostgreSQL
 
 Rezoom.SQL translates its own dialect of SQL to different "backends". Currently
 [SQLite](https://www.sqlite.org/), MS SQL Server (T-SQL), and
