diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index ececea4..f510fd4 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -241,8 +241,8 @@
 This operation assumes that there is a valid address-to-host mapping for
 the host, and the assumption does not always hold.
 Note: \function{gethostname()} doesn't always return the fully qualified
-domain name; use \code{gethostbyaddr(gethostname())}
-(see below).
+domain name; use \code{getfqdn()}
+(see above).
 \end{funcdesc}
 
 \begin{funcdesc}{gethostbyaddr}{ip_address}