diff --git a/plugins/oracle/oracle__connections b/plugins/oracle/oracle__connections
index 9c2d362c..1f7a2b21 100755
--- a/plugins/oracle/oracle__connections
+++ b/plugins/oracle/oracle__connections
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Plugin for monitor oracle connections.
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/oracle/oracle__database_hitratio b/plugins/oracle/oracle__database_hitratio
index 6e3c8003..75a363d6 100755
--- a/plugins/oracle/oracle__database_hitratio
+++ b/plugins/oracle/oracle__database_hitratio
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Plugin for monitor oracle database reads.
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/oracle/oracle__locks b/plugins/oracle/oracle__locks
index c515dbce..5e4a5969 100755
--- a/plugins/oracle/oracle__locks
+++ b/plugins/oracle/oracle__locks
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Plugin for monitor oracle locks
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/oracle/oracle__tablespace_usage b/plugins/oracle/oracle__tablespace_usage
index 637a77c9..4a66712c 100755
--- a/plugins/oracle/oracle__tablespace_usage
+++ b/plugins/oracle/oracle__tablespace_usage
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Plugin for monitor oracle database reads.
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/oracle/oracle_connections b/plugins/oracle/oracle_connections
index 587b34f8..65996ca1 100755
--- a/plugins/oracle/oracle_connections
+++ b/plugins/oracle/oracle_connections
@@ -6,7 +6,7 @@
 # Author: Kevin Kunkel (kunkel.kevin@gmail.com) on December 11, 2007
 # (Based off the perl munin plugin by Joan Carles Soler)
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/postgresql/pg__connections b/plugins/postgresql/pg__connections
index 2c9e2824..e19222af 100755
--- a/plugins/postgresql/pg__connections
+++ b/plugins/postgresql/pg__connections
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Plugin for monitor postgres connections without DBI.
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/postgresql/postgres_block_read_ b/plugins/postgresql/postgres_block_read_
index f8afa224..4f1fc6e9 100755
--- a/plugins/postgresql/postgres_block_read_
+++ b/plugins/postgresql/postgres_block_read_
@@ -16,7 +16,7 @@
 #
 # Copyright Bjørn Ruberg <bjorn@linpro.no> 2006
 #
-# Licenced under GPL v2.
+# Licensed under GPL v2.
 #
 # Usage:
 #
diff --git a/plugins/postgresql/postgres_space_ b/plugins/postgresql/postgres_space_
index 7085c14f..a8e9156e 100755
--- a/plugins/postgresql/postgres_space_
+++ b/plugins/postgresql/postgres_space_
@@ -3,7 +3,7 @@
 # (Temporary) source: http://munin.projects.linpro.no/ticket/63
 # Written by Bjørn Ruberg (bjorn@linpro.no) 2006
 # Rewritten by Moses Moore 2006-04-08  moc.iazom@sesom
-# Licenced under GPL
+# Licensed under GPL
 
 # Magic markers
 #%# family=auto
diff --git a/plugins/power/apcupsd_ww b/plugins/power/apcupsd_ww
index 0b7c1a6c..f144537f 100755
--- a/plugins/power/apcupsd_ww
+++ b/plugins/power/apcupsd_ww
@@ -5,7 +5,7 @@
 # Version 1.3
 #
 # Copyright (C) 2005-2008 Behan Webster <behanw AT websterwood DOT com>
-# Licenced under GPL 2.0
+# Licensed under GPL 2.0
 #
 # Written by: Behan Webster <behanw AT websterwood DOT com>
 # German translation by: Bianco Veigel <bianco.veigel AT zivillian DOT de>