diff --git a/doc/gpg-agent.texi b/doc/gpg-agent.texi
index bfb1d9353..c3dfd82b7 100644
--- a/doc/gpg-agent.texi
+++ b/doc/gpg-agent.texi
@@ -372,13 +372,16 @@ seconds.  The default is 1800 seconds.
 @opindex max-cache-ttl
 Set the maximum time a cache entry is valid to @var{n} seconds.  After
 this time a cache entry will be expired even if it has been accessed
-recently.  The default is 2 hours (7200 seconds).
+recently or has been set using @command{gpg-preset-passphrase}.  The
+default is 2 hours (7200 seconds).
 
 @item --max-cache-ttl-ssh @var{n}
 @opindex max-cache-ttl-ssh
-Set the maximum time a cache entry used for SSH keys is valid to @var{n}
-seconds.  After this time a cache entry will be expired even if it has
-been accessed recently.  The default is 2 hours (7200 seconds).
+Set the maximum time a cache entry used for SSH keys is valid to
+@var{n} seconds.  After this time a cache entry will be expired even
+if it has been accessed recently or has been set using
+@command{gpg-preset-passphrase}.  The default is 2 hours (7200
+seconds).
 
 @item --enforce-passphrase-constraints
 @opindex enforce-passphrase-constraints
diff --git a/doc/tools.texi b/doc/tools.texi
index 32ab1e4f8..030f269d0 100644
--- a/doc/tools.texi
+++ b/doc/tools.texi
@@ -1060,10 +1060,11 @@ may not be used and the passphrases for the to be used keys are given at
 machine startup.
 
 Passphrases set with this utility don't expire unless the
-@option{--forget} option is used to explicitly clear them from the cache
---- or @command{gpg-agent} is either restarted or reloaded (by sending a
-SIGHUP to it).  It is necessary to allow this passphrase presetting by
-starting @command{gpg-agent} with the
+@option{--forget} option is used to explicitly clear them from the
+cache --- or @command{gpg-agent} is either restarted or reloaded (by
+sending a SIGHUP to it).  Nite that the maximum cache time as set with
+@option{--max-cache-ttl} is still honored.  It is necessary to allow
+this passphrase presetting by starting @command{gpg-agent} with the
 @option{--allow-preset-passphrase}.
 
 @menu