Clarify units for y axis for the tile delta plot

1 files changed, 1 insertions, 1 deletions

diff --git a/gpsprof b/gpsprof
index f21dd0bd..f1c11fe8 100755
--- a/gpsprof
+++ b/gpsprof
@@ -300,7 +300,7 @@ class timeplot(plotter):
         fmt = '''\
 set autoscale
 set key below
-set key title "System clock delta from GPS time"
+set ylabel "System clock delta from GPS time (nsec)"
 plot "-" using 0:((column(1)-column(3))*1e9 + (column(2)-column(4))) title "Delta" with impulses
 '''
         return fmt + self.header() + self.data()