Private: Fix minor spelling mistake
@@ -343,7 +343,7 @@ struct _Plugin
KeySet * config; /*!< This keyset contains configuration for the plugin.
Direct below system/ there is the configuration supplied for the backend.
Direct below user/ there is the configuration supplied just for the
- plugin, which should be of course prefered to the backend configuration.
+ plugin, which should be of course preferred to the backend configuration.
The keys inside contain information like /path which path should be used
to write configuration to or /host to which host packets should be send.
@see elektraPluginGetConfig() */
