Merge ~jgrimm/cloud-init:fix_resolve_conf_example into cloud-init:master

[Jon Grimm]

Trivial doc fix.

[Server Team CI bot (server-team-bot)]

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diff --git a/doc/examples/cloud-config-resolv-conf.txt b/doc/examples/cloud-config-resolv-conf.txt
index 37ffc91..c4843f5 100644
--- a/doc/examples/cloud-config-resolv-conf.txt
+++ b/doc/examples/cloud-config-resolv-conf.txt
@@ -5,9 +5,9 @@
 #
 # Ensure that your yaml is valid and pass this as user-data when starting
 # the instance. Also be sure that your cloud.cfg file includes this
-# configuration module in the appropirate section.
+# configuration module in the appropriate section.
 #
-manage-resolv-conf: true
+manage_resolv_conf: true
 
 resolv_conf:
   nameservers: ['8.8.4.4', '8.8.8.8']