feat(diagnostics): write an actual description for missing-export-doc

Author: NathanSnail

locale/en-us/setting.lua

@@ -414,7 +414,7 @@ config.diagnostics['missing-global-doc']    =
 config.diagnostics['missing-local-export-doc'] =
 'Missing annotations for exported locals! Exported local functions must have a comment and annotations for all parameters and return values.'
 config.diagnostics['missing-export-doc'] =
-'Missing annotations for exported locals! Exported local functions must have a comment and annotations for all parameters and return values.'
+'Missing annotations for exported functions! Exported functions must have a comment and annotations for all parameters and return values.'
 config.diagnostics['missing-parameter']     =
 'Enable diagnostics for function calls where the number of arguments is less than the number of annotated function parameters.'
 config.diagnostics['missing-return']        =