diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5c7a3183423b..15c9118f0389 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1754,7 +1754,7 @@ config MEMTEST
 	        memtest=0, mean disabled; -- default
 	        memtest=1, mean do 1 test pattern;
 	        ...
-	        memtest=4, mean do 4 test patterns.
+	        memtest=17, mean do 17 test patterns.
 	  If you are unsure how to answer this question, answer N.
 
 source "samples/Kconfig"