diff --git a/doc/ChangeLog b/doc/ChangeLog
index ab3a6ae7..8487dc12 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,5 +1,8 @@
 2003-01-30  Marcus Brinkmann  <marcus@g10code.de>
 
+	* gpgme.texi (Protocols and Engines): Document
+	gpgme_get_protocol_name.
+
 	* gpgme.texi (Engine Information): Rewritten.
 
 2003-01-29  Marcus Brinkmann  <marcus@g10code.de>
diff --git a/doc/gpgme.texi b/doc/gpgme.texi
index 8b4cf119..96f9184f 100644
--- a/doc/gpgme.texi
+++ b/doc/gpgme.texi
@@ -583,6 +583,13 @@ This specifies the Cryptographic Message Syntax.
 @end table
 @end deftp
 
+
+@deftypefun const char *gpgme_get_protocol_name (@w{GpgmeProtocol @var{protocol}})
+The function @code{gpgme_get_protocol_name} returns a statically
+allocated string describing the protocol @var{protocol}, or
+@code{NULL} if the protocol number is not valid.
+@end deftypefun
+
 @menu
 * Engine Version Check::          Verifying the engine version.
 * Engine Information::            Obtaining more information about the engines.