diff --git a/Changes b/Changes
index b17469b..5f3badd 100644
--- a/Changes
+++ b/Changes
@@ -57,6 +57,7 @@
   [#79]
 - Fixed to remove red background color in 'port' graph when the network port is
   for outgoing connections.
+- Fixed a typo in the y axis title on 'apcupsd' Time left graph. [#82]
 - Small cosmetic changes.
 
 
diff --git a/lib/apcupsd.pm b/lib/apcupsd.pm
index b1e1ce8..358b38b 100644
--- a/lib/apcupsd.pm
+++ b/lib/apcupsd.pm
@@ -880,7 +880,7 @@ sub apcupsd_cgi {
 				"--title=$config->{graphs}->{_apcupsd5}  ($tf->{nwhen}$tf->{twhen})",
 				"--start=-$tf->{nwhen}$tf->{twhen}",
 				"--imgformat=PNG",
-				"--vertical-label=Volts",
+				"--vertical-label=Minutes",
 				"--width=$width",
 				"--height=$height",
 				@riglim,