diff --git a/CHANGELOG b/CHANGELOG
index 7c85acdcb00ca749f8db3e573ed299421d6dbfc0..18f07c3356d04f4e107217eb802cd5ba50586a5a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1875,7 +1875,7 @@ Fixes a lot of wordings
 => Bugfix #417
 => Bugfix #436
 => Reporting : CSV export now takes correct timeperiod parameters
-=> Reporting : fixes bug that occured when hosts/services were renamed
+=> Reporting : fixes bug that occurred when hosts/services were renamed
 => ACL : ServiceGroups are no longer restrictions, they grant access to resources instead
 => Enhanced generation of configuration files
 => New Centreon logo
diff --git a/lib/perl/centreon/script/centcore.pm b/lib/perl/centreon/script/centcore.pm
index ee04c08537345576604d9c117a19af68672be2ae..52489adc9094e6e4f4c41b795ea7dd01d973f495 100755
--- a/lib/perl/centreon/script/centcore.pm
+++ b/lib/perl/centreon/script/centcore.pm
@@ -407,7 +407,7 @@ sub waitPipe($) {
 }
 
 ##
-# Checks if rotation occured,
+# Checks if rotation occurred,
 #
 sub checkRotation($$$$$) {
     my $self = shift;
diff --git a/www/include/options/oreon/modules/licenseUpload.php b/www/include/options/oreon/modules/licenseUpload.php
index f20db4c59579435741860f256955470380d58e1d..7d7f18ed4f2826656778499bfd617b107edfef54 100644
--- a/www/include/options/oreon/modules/licenseUpload.php
+++ b/www/include/options/oreon/modules/licenseUpload.php
@@ -110,9 +110,9 @@ if ($LicenseFileInfos['name'] == 'merethis_lic.zl')
                 rename(_CENTREON_PATH_ . "www/modules/" . $filename . "/license/merethis_lic_temp.zl", _CENTREON_PATH_ . "www/modules/" . $filename . "/license/merethis_lic.zl");
                 clearstatcache(true, _CENTREON_PATH_ . "www/modules/" . $filename . "/license/merethis_lic.zl");
                 if (zend_loader_install_license(_CENTREON_PATH_ . "www/modules/" . $filename . "/license/merethis_lic.zl", true)) {
-                    echo _("The license has been sucessfully installed");
+                    echo _("The license has been successfully installed");
                 } else {
-                    echo _("An error occured");
+                    echo _("An error occurred");
                 }
             }
             else
diff --git a/www/include/views/graphs/javascript/cropper/cropper.uncompressed.js b/www/include/views/graphs/javascript/cropper/cropper.uncompressed.js
index 99619a7a8272887e41e9fd2f03afb0ff73f39809..35a15332c108a2f2fbfa56ebd48ea671d85401ac 100755
--- a/www/include/views/graphs/javascript/cropper/cropper.uncompressed.js
+++ b/www/include/views/graphs/javascript/cropper/cropper.uncompressed.js
@@ -347,7 +347,7 @@ Cropper.Img = Class.create({
 		this.ratioY = 0;
 		/**
 		 * @var boolean
-		 * Whether we've attached sucessfully
+		 * Whether we've attached successfully
 		 */
 		this.attached = false;
 		/**