diff --git a/CHANGES b/CHANGES
index 3e3f930..bed9302 100644
--- a/CHANGES
+++ b/CHANGES
@@ -46,6 +46,10 @@ Testing:
 	OpenIndiana/SunOS netstat format;
 	many more functional and cosmetic code corrections.
 
+Documentation:
+	The socktype option was documented unspecifically as type option.
+	Thanks to Jonas Metzger for the hint.
+
 ####################### V 1.7.4.2:
 
 Corrections:
diff --git a/doc/socat.yo b/doc/socat.yo
index 595031a..37d83bd 100644
--- a/doc/socat.yo
+++ b/doc/socat.yo
@@ -1982,12 +1982,12 @@ label(OPTION_PROTOCOL_FAMILY)dit(bf(tt(pf=<string>)))
    used as first argument to the code(socket()) or code(socketpair()) calls.
    This option affects address resolution and the required syntax of bind and
    range options.
-label(OPTION_SO_TYPE)dit(bf(tt(type=<type>)))
+label(OPTION_SO_TYPE)dit(bf(tt(socktype=<type>)))
    Sets the type of the socket, specified as second argument to the
    code(socket()) or code(socketpair()) calls, to <type>
    [link(int)(TYPE_INT)]. Address resolution is not affected by this option.
-   Under Linux, 1 means stream oriented socket, 2 means datagram socket, and 3
-   means raw socket.
+   Under Linux, 1 means stream oriented socket, 2 means datagram socket, 3
+   means raw socket, and 5 seqpacket (stream keeping packet boundaries).
 label(OPTION_SO_PROTOCOL)dit(bf(tt(protocol)))
    Sets the protocol of the socket, specified as third argument to the
    code(socket()) or code(socketpair()) calls, to <protocol>
diff --git a/test.sh b/test.sh
index 7e23188..93d3445 100755
--- a/test.sh
+++ b/test.sh
@@ -422,7 +422,7 @@ else
     SECONDIP6ADDR="[$SECONDIP6ADDR]"
 fi
 
-TRUE=$(type true)
+TRUE=$(which true)
 #E=-e	# Linux
 if   [ $(echo "x\c") = "x" ]; then E=""
 elif [ $(echo -e "x\c") = "x" ]; then E="-e"
@@ -4046,6 +4046,7 @@ TEST="$NAME: exec against address with ignoreeof"
 if ! eval $NUMCOND; then :; else
 tf="$td/test$N.stdout"
 te="$td/test$N.stderr"
+# remark: diagnostics to null, no good style
 CMD="$TRACE $SOCAT $opts -lf /dev/null EXEC:$TRUE /dev/null,ignoreeof"
 printf "test $F_n $TEST... " $N
 $CMD >"$tf" 2>"$te"