Update eflk.md (bregman-arie#110)

Author: aramatev

exercises/eflk.md

@@ -2,7 +2,7 @@
 
 Set up the following using any log you would like:
 
-* Run the following: elasticsearch, logstash, kibana and filebeat (each running in its own containre)
+* Run the following: elasticsearch, logstash, kibana and filebeat (each running in its own container)
 * Make filebeat transfer a log to logstash for process
 * Once logstash is done, index with elasticsearch
 * Finally, make sure data is available in Kibana