diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1699b2124558..027ab190796f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1872,8 +1872,14 @@ config NETDEV_NOTIFIER_ERROR_INJECT
 	  If unsure, say N.
 
 config FUNCTION_ERROR_INJECTION
-	def_bool y
+	bool "Fault-injections of functions"
 	depends on HAVE_FUNCTION_ERROR_INJECTION && KPROBES
+	help
+	  Add fault injections into various functions that are annotated with
+	  ALLOW_ERROR_INJECTION() in the kernel. BPF may also modify the return
+	  value of theses functions. This is useful to test error paths of code.
+
+	  If unsure, say N
 
 config FAULT_INJECTION
 	bool "Fault-injection framework"