Corrected text in HTTP_WARNING
Corrected text in HTTP_WARNING

dtjackson/gsutil,BrandonY/gsutil,craigcitro/gsutil,dimfeld/gsutil,GoogleCloudPlatform/gsutil,ttiurani/gsutil,fishjord/gsutil,GoogleCloudPlatform/gsutil,chriskuehl/gsutil-debian,mattdr/gsutil