collection.cgi: Label the values displayed as `Temperature' in the temperature graph.

diff --git a/contrib/collection.cgi b/contrib/collection.cgi
index c1ee8e7..a7f63fd 100755 (executable)
--- a/contrib/collection.cgi
+++ b/contrib/collection.cgi
@@ -841,7 +841,7 @@ our $GraphDefs;
                        'DEF:temp_max={file}:value:MAX',
                        "AREA:temp_max#$HalfRed",
                        "AREA:temp_min#$Canvas",
-                       "LINE1:temp_avg#$FullRed:Value",
+                       "LINE1:temp_avg#$FullRed:Temperature",
                        'GPRINT:temp_min:MIN:%4.1lf Min,',
                        'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
                        'GPRINT:temp_max:MAX:%4.1lf Max,',