Update GetCommand.php

Author: pccornel

php/example_code/s3/GetCommand.php

@@ -51,7 +51,7 @@
 // snippet-end:[s3.php.command_pool_get_command.main]
 // snippet-end:[s3.php.command_pool_get_command.complete]
 // snippet-comment:[These are tags for the AWS doc team's sample catalog. Do not remove.]
-// snippet-sourcedescription:[GetCommand.php demonstrates how to send a few comands using a Command Pool.]
+// snippet-sourcedescription:[GetCommand.php demonstrates how to send a few commands using a Command Pool.]
 // snippet-keyword:[PHP]
 // snippet-sourcesyntax:[php]
 // snippet-keyword:[AWS SDK for PHP v3]
@@ -61,4 +61,4 @@
 // snippet-service:[s3]
 // snippet-sourcetype:[full-example]
 // snippet-sourcedate:[]
-// snippet-sourceauthor:[jschwarzwalder (AWS)]
+// snippet-sourceauthor:[jschwarzwalder (AWS)]