diff --git a/doc/man-pl.but b/doc/man-pl.but
index b5c64dc9..6a358cea 100644
--- a/doc/man-pl.but
+++ b/doc/man-pl.but
@@ -149,7 +149,9 @@ a base64-encoded blob in OpenSSH's one-line format.
 
 \lcont{ Specifying this option overrides automated host key
 management; \e{only} the key(s) specified on the command-line will be
-accepted, and the host's key will not be cached. }
+accepted (unless a saved session also overrides host keys, in which
+case those will be added to), and the host key cache will not be
+written. }
 
 \dt \cw{-s}
 
diff --git a/doc/man-pscp.but b/doc/man-pscp.but
index e549279b..5cd5ac8c 100644
--- a/doc/man-pscp.but
+++ b/doc/man-pscp.but
@@ -103,7 +103,9 @@ a base64-encoded blob in OpenSSH's one-line format.
 
 \lcont{ Specifying this option overrides automated host key
 management; \e{only} the key(s) specified on the command-line will be
-accepted, and the host's key will not be cached. }
+accepted (unless a saved session also overrides host keys, in which
+case those will be added to), and the host key cache will not be
+written. }
 
 \dt \cw{-scp}
 
diff --git a/doc/man-psft.but b/doc/man-psft.but
index a3a1362a..f24d7206 100644
--- a/doc/man-psft.but
+++ b/doc/man-psft.but
@@ -91,7 +91,9 @@ a base64-encoded blob in OpenSSH's one-line format.
 
 \lcont{ Specifying this option overrides automated host key
 management; \e{only} the key(s) specified on the command-line will be
-accepted, and the host's key will not be cached. }
+accepted (unless a saved session also overrides host keys, in which
+case those will be added to), and the host key cache will not be
+written. }
 
 \S{psftp-manpage-commands} COMMANDS
 
diff --git a/doc/man-putt.but b/doc/man-putt.but
index 09d60a79..76694def 100644
--- a/doc/man-putt.but
+++ b/doc/man-putt.but
@@ -231,7 +231,9 @@ a base64-encoded blob in OpenSSH's one-line format.
 
 \lcont{ Specifying this option overrides automated host key
 management; \e{only} the key(s) specified on the command-line will be
-accepted, and the host's key will not be cached. }
+accepted (unless a saved session also overrides host keys, in which
+case those will be added to), and the host key cache will not be
+written. }
 
 \dt \cw{\-sercfg} \e{configuration-string}