v4l2object: fix typo in comment

https://bugzilla.gnome.org/show_bug.cgi?id=796940
diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 69f7f5f..7a0631c 100644
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -3283,7 +3283,7 @@
     field = V4L2_FIELD_NONE;
   }
 
-  /* We first pick th main colorspace from the primaries */
+  /* We first pick the main colorspace from the primaries */
   switch (info.colorimetry.primaries) {
     case GST_VIDEO_COLOR_PRIMARIES_BT709:
       /* There is two colorspaces using these primaries, use the range to