* at @p mime_type.
* The file is stored into the directory specified by #ir_set_dump_path
*
- * @param func Dumper. Usualle one of #dump_callgraph, #dump_typegraph,
+ * @param func Dumper. Usually one of #dump_callgraph, #dump_typegraph,
* #dump_class_hierarchy, #dump_types_as_text,
* #dump_globals_as_text
* @param suffix Suffix to append to the name