diff --git a/ext/aalib/gstaasink.c b/ext/aalib/gstaasink.c
index 4dda47c62d..113f5b10b4 100644
--- a/ext/aalib/gstaasink.c
+++ b/ext/aalib/gstaasink.c
@@ -213,17 +213,40 @@ gst_aasink_class_init (GstAASinkClass * klass)
   gobject_class->set_property = gst_aasink_set_property;
   gobject_class->get_property = gst_aasink_get_property;
 
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH, g_param_spec_int ("width", "width", "width", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));  /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEIGHT, g_param_spec_int ("height", "height", "height", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));      /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DRIVER, g_param_spec_enum ("driver", "driver", "driver", GST_TYPE_AADRIVERS, 0, G_PARAM_READWRITE));     /* CHECKME! */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DITHER, g_param_spec_enum ("dither", "dither", "dither", GST_TYPE_AADITHER, 0, G_PARAM_READWRITE));      /* CHECKME! */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BRIGHTNESS, g_param_spec_int ("brightness", "brightness", "brightness", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));      /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CONTRAST, g_param_spec_int ("contrast", "contrast", "contrast", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));      /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GAMMA, g_param_spec_float ("gamma", "gamma", "gamma", 0.0, 5.0, 1.0, G_PARAM_READWRITE));        /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INVERSION, g_param_spec_boolean ("inversion", "inversion", "inversion", TRUE, G_PARAM_READWRITE));       /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RANDOMVAL, g_param_spec_int ("randomval", "randomval", "randomval", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));  /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAMES_DISPLAYED, g_param_spec_int ("frames-displayed", "frames displayed", "frames displayed", G_MININT, G_MAXINT, 0, G_PARAM_READABLE));       /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAME_TIME, g_param_spec_int ("frame-time", "frame time", "frame time", G_MININT, G_MAXINT, 0, G_PARAM_READABLE));       /* CHECKME */
+  /* FIXME: add long property descriptions */
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH,
+      g_param_spec_int ("width", "width", "width", G_MININT, G_MAXINT, 0,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEIGHT,
+      g_param_spec_int ("height", "height", "height", G_MININT, G_MAXINT, 0,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DRIVER,
+      g_param_spec_enum ("driver", "driver", "driver", GST_TYPE_AADRIVERS, 0,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DITHER,
+      g_param_spec_enum ("dither", "dither", "dither", GST_TYPE_AADITHER, 0,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BRIGHTNESS,
+      g_param_spec_int ("brightness", "brightness", "brightness", G_MININT,
+          G_MAXINT, 0, G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CONTRAST,
+      g_param_spec_int ("contrast", "contrast", "contrast", G_MININT, G_MAXINT,
+          0, G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_GAMMA,
+      g_param_spec_float ("gamma", "gamma", "gamma", 0.0, 5.0, 1.0,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_INVERSION,
+      g_param_spec_boolean ("inversion", "inversion", "inversion", TRUE,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RANDOMVAL,
+      g_param_spec_int ("randomval", "randomval", "randomval", G_MININT,
+          G_MAXINT, 0, G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAMES_DISPLAYED,
+      g_param_spec_int ("frames-displayed", "frames displayed",
+          "frames displayed", G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAME_TIME,
+      g_param_spec_int ("frame-time", "frame time", "frame time", G_MININT,
+          G_MAXINT, 0, G_PARAM_READABLE));
 
   gst_aasink_signals[SIGNAL_FRAME_DISPLAYED] =
       g_signal_new ("frame-displayed", G_TYPE_FROM_CLASS (klass),
diff --git a/ext/esd/esdmon.c b/ext/esd/esdmon.c
index 41463b5bfa..33e7a6de00 100644
--- a/ext/esd/esdmon.c
+++ b/ext/esd/esdmon.c
@@ -184,12 +184,24 @@ gst_esdmon_class_init (gpointer g_class, gpointer class_data)
 
   parent_class = g_type_class_peek_parent (g_class);
 
-  g_object_class_install_property (gobject_class, ARG_BYTESPERREAD, g_param_spec_ulong ("bytes-per-read", "bytes per read", "bytes per read", 0, G_MAXULONG, 0, G_PARAM_READWRITE));    /* CHECKME */
-  g_object_class_install_property (gobject_class, ARG_CUROFFSET, g_param_spec_ulong ("curoffset", "curoffset", "curoffset", 0, G_MAXULONG, 0, G_PARAM_READABLE));       /* CHECKME */
-  g_object_class_install_property (gobject_class, ARG_DEPTH, g_param_spec_enum ("depth", "depth", "depth", GST_TYPE_ESDMON_DEPTHS, 16, G_PARAM_READWRITE));     /* CHECKME! */
-  g_object_class_install_property (gobject_class, ARG_CHANNELS, g_param_spec_enum ("channels", "channels", "channels", GST_TYPE_ESDMON_CHANNELS, 2, G_PARAM_READWRITE));        /* CHECKME! */
-  g_object_class_install_property (gobject_class, ARG_RATE, g_param_spec_int ("frequency", "frequency", "frequency", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));        /* CHECKME */
-  g_object_class_install_property (gobject_class, ARG_HOST, g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE));     /* CHECKME */
+  /* FIXME: add long property descriptions */
+  g_object_class_install_property (gobject_class, ARG_BYTESPERREAD,
+      g_param_spec_ulong ("bytes-per-read", "bytes per read", "bytes per read",
+          0, G_MAXULONG, 0, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_CUROFFSET,
+      g_param_spec_ulong ("curoffset", "curoffset", "curoffset",
+          0, G_MAXULONG, 0, G_PARAM_READABLE));
+  g_object_class_install_property (gobject_class, ARG_DEPTH,
+      g_param_spec_enum ("depth", "depth", "depth", GST_TYPE_ESDMON_DEPTHS,
+          16, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_CHANNELS,
+      g_param_spec_enum ("channels", "channels", "channels",
+          GST_TYPE_ESDMON_CHANNELS, 2, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_RATE,
+      g_param_spec_int ("frequency", "frequency", "frequency",
+          G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_HOST,
+      g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE));
 
   gobject_class->set_property = gst_esdmon_set_property;
   gobject_class->get_property = gst_esdmon_get_property;
diff --git a/gst/median/gstmedian.c b/gst/median/gstmedian.c
index f829f22d32..96bb193521 100644
--- a/gst/median/gstmedian.c
+++ b/gst/median/gstmedian.c
@@ -123,9 +123,16 @@ gst_median_class_init (GstMedianClass * klass)
 
   parent_class = g_type_class_peek_parent (klass);
 
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACTIVE, g_param_spec_boolean ("active", "active", "active", TRUE, G_PARAM_READWRITE));   /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILTERSIZE, g_param_spec_int ("filtersize", "filtersize", "filtersize", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));      /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LUM_ONLY, g_param_spec_boolean ("lum_only", "lum_only", "lum_only", TRUE, G_PARAM_READWRITE));   /* CHECKME */
+  /* FIXME: add long property descriptions */
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACTIVE,
+      g_param_spec_boolean ("active", "active", "active", TRUE,
+          G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILTERSIZE,
+      g_param_spec_int ("filtersize", "filtersize", "filtersize", G_MININT,
+          G_MAXINT, 0, G_PARAM_READWRITE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LUM_ONLY,
+      g_param_spec_boolean ("lum-only", "lum-only", "lum-only", TRUE,
+          G_PARAM_READWRITE));
 
   gobject_class->set_property = gst_median_set_property;
   gobject_class->get_property = gst_median_get_property;