Simple typo fix .

Change-Id: I72c5ea73cd0a3625b94843a11abe9e5fcdaa55d5
diff --git a/harvester/Dockerfile b/harvester/Dockerfile
index fb3a2a2..d29598a 100644
--- a/harvester/Dockerfile
+++ b/harvester/Dockerfile
@@ -12,7 +12,7 @@
 ## See the License for the specific language governing permissions and
 ## limitations under the License.
 FROM python:2.7-alpine
-MAINTAINER Open Networking Labratory <info@onlab.us>
+MAINTAINER Open Networking Laboratory <info@onlab.us>
 
 RUN apk update && apk add bind