arch/mips: improve help text of NaN option

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/arch/Config.in.mips b/arch/Config.in.mips
index 7dd69659d784967c05328f10a5d1501b1ddd1c7f..f2b352b0b7f72f05902bdfce8a2b6b37b5664e55 100644 (file)
--- a/arch/Config.in.mips
+++ b/arch/Config.in.mips
@@ -169,7 +169,9 @@ choice
        depends on BR2_mips_32r5 || BR2_mips_64r5
        default BR2_MIPS_ENABLE_NAN_2008
        help
-         NaN encoding to be used
+         MIPS supports two different NaN encodings, legacy and 2008.
+         Information about MIPS NaN encodings can be found here:
+         https://sourceware.org/binutils/docs/as/MIPS-NaN-Encodings.html
 
 config BR2_MIPS_ENABLE_NAN_LEGACY
        bool "legacy"