docs: Fix `Unknown group SceIofilemgr` in the CI
* \defgroup SceFcntl File Control Library
* Open, Rename, Read, Write files
*
- * \defgroup SceStat File Status Library
- * Make/Remove a dir, Read/Change the status of a file
- *
* \defgroup SceFios2Kernel File System Overlay Library
* Add/Remove file system overlay
+
+ * \defgroup SceIofilemgr File I/O Manager Library
+ * Mount/Unmount a file system and a part of SceFcntl
+
+ * \defgroup SceStat File Status Library
+ * Make/Remove a dir, Read/Change the status of a file
* \}
*
*
