diff --git a/README.md b/README.md
index c0081298..6517ebf0 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ See [CONTRIBUTING.md](./docs/CONTRIBUTING.md).
        Append output to file with :<filename> (e.g. -F csv:log.csv), defaults to stdout.
        Specify host/port for syslog with e.g. -F syslog:127.0.0.1:1514
   [-M time[:<options>] | protocol | level | stats | bits | help] Add various meta data to each output.
-  [-K FILE | PATH | <tag>] Add an expanded token or fixed tag to every output line.
+  [-K FILE | PATH | <tag> | <key>=<value>] Add an expanded token or fixed tag to every output line.
   [-C native | si | customary] Convert units in decoded output.
   [-T <seconds>] Specify number of seconds to run, also 12:34 or 1h23m45s
   [-E hop | quit] Hop/Quit after outputting successful event(s)
diff --git a/man/man1/rtl_433.1 b/man/man1/rtl_433.1
index 0ae02719..6032f7dc 100644
--- a/man/man1/rtl_433.1
+++ b/man/man1/rtl_433.1
@@ -123,7 +123,7 @@ Produce decoded output in given format.
 [ \fB\-M\fI time[:<options>] | protocol | level | stats | bits | help\fP ]
 Add various meta data to each output.
 .TP
-[ \fB\-K\fI FILE | PATH | <tag>\fP ]
+[ \fB\-K\fI FILE | PATH | <tag> | <key>=<value>\fP ]
 Add an expanded token or fixed tag to every output line.
 .TP
 [ \fB\-C\fI native | si | customary\fP ]
diff --git a/src/devices/schraeder.c b/src/devices/schraeder.c
index 7326cf44..7704a3f3 100644
--- a/src/devices/schraeder.c
+++ b/src/devices/schraeder.c
@@ -304,7 +304,7 @@ r_device schrader_EG53MA4 = {
 };
 
 r_device schrader_SMD3MA4 = {
-        .name        = "Schrader TPMS SMD3MA4",
+        .name        = "Schrader TPMS SMD3MA4 (Subaru)",
         .modulation  = OOK_PULSE_PCM_RZ,
         .short_width = 120,
         .long_width  = 120,