Base: Add a note on the possibility of failure with the beep utility

Base/usr/share/man/man1/beep.md

@@ -12,8 +12,17 @@ $ beep
 
 beep allows the user to beep the PC speaker.
 
+## Notes
+
+If the user disabled the usage of PC speaker in the kernel commandline, the program
+will fail to use the PC speaker.
+
 ## Examples
 
 ```sh
 $ beep
 ```
+
+## See also
+
+* [`boot_parameters`(7)](help://man/7/boot_parameters)