1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index a0e5900a9d85..4a8aba2e5cc0 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -88,6 +88,10 @@ choice
         prompt "CRC32 implementation"
         depends on CRC32
         default CRC32_SLICEBY8
+        help
+          This option allows a kernel builder to override the default choice
+          of CRC32 algorithm.  Choose the default ("slice by 8") unless you
+          know that you need one of the others.
 
 config CRC32_SLICEBY8
         bool "Slice by 8 bytes"