SIMBAD documentalists make daily updates to the SIMBAD database, linking astronomical objects to the published papers they appear in. This task is made a lot easier if object names are properly written.
The dictionary of nomenclature is the reference service on how to write object identifiers. You can query the dictionary of nomenclature to check how acronyms are best written (e.g. M for Messier objects, or NGC, or HD) :
You can validate the syntax of individual object identifiers using the Sesame name resolver.
CDS provides tools to validate these tags in your manuscripts :