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-rw-r--r--modules/pam_exec/pam_exec.8.xml3
1 files changed, 2 insertions, 1 deletions
diff --git a/modules/pam_exec/pam_exec.8.xml b/modules/pam_exec/pam_exec.8.xml
index 23793668..d1b00a21 100644
--- a/modules/pam_exec/pam_exec.8.xml
+++ b/modules/pam_exec/pam_exec.8.xml
@@ -106,7 +106,8 @@
During authentication the calling command can read
the password from <citerefentry>
<refentrytitle>stdin</refentrytitle><manvolnum>3</manvolnum>
- </citerefentry>.
+ </citerefentry>. Only first <emphasis>PAM_MAX_RESP_SIZE</emphasis>
+ bytes of a password are provided to the command.
</para>
</listitem>
</varlistentry>