diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 50d9b9bfcd6e22fc60bc27d1e3ddcd92b9946ca1..e938ccf3dad31a667b301afbb174a5ad4b8677ed 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3266,9 +3266,14 @@
 			parameter, xsave area per process might occupy more
 			memory on xsaves enabled systems.
 
-	nohlt		[BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
-			wfi(ARM) instruction doesn't work correctly and not to
-			use it. This is also useful when using JTAG debugger.
+	nohlt		[ARM,ARM64,MICROBLAZE,SH] Forces the kernel to busy wait
+			in do_idle() and not use the arch_cpu_idle()
+			implementation; requires CONFIG_GENERIC_IDLE_POLL_SETUP
+			to be effective. This is useful on platforms where the
+			sleep(SH) or wfi(ARM,ARM64) instructions do not work
+			correctly or when doing power measurements to evalute
+			the impact of the sleep instructions. This is also
+			useful when using JTAG debugger.
 
 	no_file_caps	Tells the kernel not to honor file capabilities.  The
 			only way then for a file to be executed with privilege