diff --git a/chapter08/openssl.xml b/chapter08/openssl.xml
index 4d7a17b12..6766a3f49 100644
--- a/chapter08/openssl.xml
+++ b/chapter08/openssl.xml
@@ -258,7 +258,7 @@ rm -rf DESTDIR</userinput></screen>
           <para>
             implements the Transport Layer Security (TLS v1) protocol.
             It provides a rich API, documentation
-            on which can be found by running <command>man 3 ssl</command>
+            on which can be found by running <command>man 7 ssl</command>
           </para>
           <indexterm zone="ch-system-openssl libssl">
             <primary sortas="c-libssl">libssl.so</primary>