diff --git a/reference/rrd/examples.xml b/reference/rrd/examples.xml
index e2d4d61f1f..a272141913 100644
--- a/reference/rrd/examples.xml
+++ b/reference/rrd/examples.xml
@@ -66,20 +66,20 @@ $creator->addArchive("AVERAGE:0.5:1:24");
 $creator->addArchive("AVERAGE:0.5:6:10");
 $creator->save();
 
-$updator = new RRDUpdater($rrdFile);
-$updator->update(array("speed" => "12345"), "920804700");
-$updator->update(array("speed" => "12357"), "920805000");
+$updater = new RRDUpdater($rrdFile);
+$updater->update(array("speed" => "12345"), "920804700");
+$updater->update(array("speed" => "12357"), "920805000");
 
 $graphObj = new RRDGraph($outputPngFile);
 $graphObj->setOptions(
- array(
-  "--start" => "920804400",
-  "--end" => 920808000,
-  "--vertical-label" => "m/s",
-  "DEF:myspeed=$rrdFile:speed:AVERAGE",
-  "CDEF:realspeed=myspeed,1000,*",
-  "LINE2:realspeed#FF0000"
- )
+    array(
+        "--start" => "920804400",
+        "--end" => 920808000,
+        "--vertical-label" => "m/s",
+        "DEF:myspeed=$rrdFile:speed:AVERAGE",
+        "CDEF:realspeed=myspeed,1000,*",
+        "LINE2:realspeed#FF0000"
+    )
 );
 $graphObj->save();
 ?>