diff --git a/man7/pkeys.7 b/man7/pkeys.7
index 142423c63..22370a6a4 100644
--- a/man7/pkeys.7
+++ b/man7/pkeys.7
@@ -52,6 +52,14 @@ and
 but always act to further restrict these traditional permission
 mechanisms.
 
+If a process performs an access that violates pkey
+restrictions, it receives a
+.BR SIGSEGV
+signal.
+See
+.BR sigaction (2)
+for details of the information available with that signal.
+
 To use the pkeys feature, the processor must support it, and the kernel
 must contain support for the feature on a given processor.
 As of early 2016 only future Intel x86 processors are supported,