6d026765_Plugin_YAML___BukkitWiki_Attributes_Notes
[Attribute] name [Required] yes [Description] The name of your plugin. [Example] name: MyPlugin [Notes] 
Must consist of all alphanumeric characters and underscores (a-z,A-Z,0-9, _) Used to determine the name of the plugin's data folder. Data folders are placed in the ./plugins/ directory by default. It is good practice to name your jar the same as this, for example 'MyPlugin.jar'
Plugin YAML - BukkitWiki
Notes