diff --git a/man2/add_key.2 b/man2/add_key.2
index 651c14939..fb003eca3 100644
--- a/man2/add_key.2
+++ b/man2/add_key.2
@@ -284,6 +284,12 @@ main(int argc, char *argv[])
 .BR user\-session\-keyring (7)
 .PP
 The kernel source files
+.IR Documentation/security/keys/core.rst
+and
+.IR Documentation/keys/request\-key.rst
+(or, before Linux 4.13, in the files
+.\" commit b68101a1e8f0263dbc7b8375d2a7c57c6216fb76
 .IR Documentation/security/keys.txt
 and
-.IR Documentation/security/keys\-request\-key.txt .
+.\" commit 3db38ed76890565772fcca3279cc8d454ea6176b
+.IR Documentation/security/keys\-request\-key.txt ).
diff --git a/man2/request_key.2 b/man2/request_key.2
index c52a38a8b..b494ca869 100644
--- a/man2/request_key.2
+++ b/man2/request_key.2
@@ -561,6 +561,12 @@ main(int argc, char *argv[])
 .BR request\-key (8)
 .PP
 The kernel source files
+.IR Documentation/security/keys/core.rst
+and
+.IR Documentation/keys/request\-key.rst
+(or, before Linux 4.13, in the files
+.\" commit b68101a1e8f0263dbc7b8375d2a7c57c6216fb76
 .IR Documentation/security/keys.txt
 and
-.IR Documentation/security/keys\-request\-key.txt .
+.\" commit 3db38ed76890565772fcca3279cc8d454ea6176b
+.IR Documentation/security/keys\-request\-key.txt ).
diff --git a/man7/keyrings.7 b/man7/keyrings.7
index 0cb1190e6..6f2581cb2 100644
--- a/man7/keyrings.7
+++ b/man7/keyrings.7
@@ -870,4 +870,6 @@ scripts can use them.
 The kernel source files
 .IR Documentation/crypto/asymmetric-keys.txt
 and under
-.IR Documentation/security/keys .
+.IR Documentation/security/keys
+(or, before Linux 4.13, in the file
+.IR Documentation/security/keys.txt ).