diff --git a/Info/Layer3/Tasman.pm b/Info/Layer3/Tasman.pm
index 408f320b..d99e24bc 100644
--- a/Info/Layer3/Tasman.pm
+++ b/Info/Layer3/Tasman.pm
@@ -230,7 +230,7 @@ Grabs the os version from C<nnsysVersion>
 
 =item $tasman->serial()
 
-Tries both (C<nnchassisOperStatus>) and (C<nnchassisSerialNumber) as OID's
+Tries both (C<nnchassisOperStatus>) and (C<nnchassisSerialNumber>) as OID's
 were redefined between versions.
 
 =back