typo fix

examples/system_script.php

@@ -39,7 +39,7 @@ $query =
     (new Query('/system/script/add'))
         ->equal('name', 'test_by_system2')
         ->equal('source',
-            ':local monitor [/interface monitor-traffic ether2 as-value once] \r\n:local speedRX ($monitor->"rx-bits-per-second")\r\n:local speedTX($monitor->"tx-bits-per-second")\r\n/tool fetch mode=http url=("http://192.168.254.72/micro-nms/storebw/1/$speedTX/$speedRX") keep-result=no');
+            ':local monitor [/interface monitor-traffic ether2 as-value once] \r\n:local speedRX ($monitor->"rx-bits-per-second") \r\n:local speedTX($monitor->"tx-bits-per-second") \r\n/tool fetch mode=http url=("http://192.168.254.72/micro-nms/storebw/1/$speedTX/$speedRX") keep-result=no');
 
 $response = $client->query($query)->read();
 print_r($response);
@@ -49,8 +49,8 @@ $query =
     (new Query('/system/script/add'))
         ->equal('name', 'test_by_system3')
         ->equal('source', ':local monitor [/interface monitor-traffic ether2 as-value once] \r\n'
-            . ':local speedRX ($monitor->"rx-bits-per-second")\r\n'
-            . ':local speedTX ($monitor->"tx-bits-per-second")\r\n'
+            . ':local speedRX ($monitor->"rx-bits-per-second") \r\n'
+            . ':local speedTX ($monitor->"tx-bits-per-second") \r\n'
             . '/tool fetch mode=http url=("http://192.168.254.72/micro-nms/storebw/1/$speedTX/$speedRX") keep-result=no');
 
 $response = $client->query($query)->read();