osmo-sgsn: Fix outdated information in usermanual

Quite a few features that are listed as not-implemented in the overview
section are actually implemented now.

Change-Id: I8d499a25293b69babc2aebb2d697438f8ba8141f
Related: OS#1720
diff --git a/doc/manuals/chapters/running.adoc b/doc/manuals/chapters/running.adoc
index d758b28..63c2b27 100644
--- a/doc/manuals/chapters/running.adoc
+++ b/doc/manuals/chapters/running.adoc
@@ -14,7 +14,7 @@
 *-h, --help*::
 	Print a short help message about the supported options
 *-V, --version*::
-	Print the compile-time version number of the OsmoBTS program
+	Print the compile-time version number of the OsmoSGSN program
 *-d, --debug 'DBGMASK','DBGLEVELS'*::
 	Set the log subsystems and levels for logging to stderr. This
 	has mostly been superseded by VTY-based logging configuration,