diff --git a/man2/mprotect.2 b/man2/mprotect.2
index 0671a80cb..d82aefaa6 100644
--- a/man2/mprotect.2
+++ b/man2/mprotect.2
@@ -133,6 +133,7 @@ has been set, and must not allow any access if
 .B PROT_NONE
 has been set.
 .SH EXAMPLE
+.\" sigaction.2 refers to this example
 .PP
 The program below allocates four pages of memory, makes the third
 of these pages read-only, and then executes a loop that walks upwards