spell legacyNamespace correctly

README.md

@@ -321,7 +321,7 @@ possible to change these namespaces in the backend configuration options.
 The available configuration options (living under the `graphite` key) are:
 
 ```
-legacyNamspace:   use the legacy namespace [default: true]
+legacyNamespace:  use the legacy namespace [default: true]
 globalPrefix:     global prefix to use for sending stats to graphite [default: "stats"]
 prefixCounter:    graphite prefix for counter metrics [default: "counters"]
 prefixTimer:      graphite prefix for timer metrics [default: "timers"]

exampleConfig.js

@@ -45,7 +45,7 @@ Optional Variables:
     level:          log level for [node-]syslog [string, default: LOG_INFO]
 
   graphite:
-    legacyNamspace:   use the legacy namespace [default: true]
+    legacyNamespace:  use the legacy namespace [default: true]
     globalPrefix:     global prefix to use for sending stats to graphite [default: "stats"]
     prefixCounter:    graphite prefix for counter metrics [default: "counters"]
     prefixTimer:      graphite prefix for timer metrics [default: "timers"]