diff --git a/libvo/vo_gl.c b/libvo/vo_gl.c
index 43c9d005e2..dcc71d496b 100644
--- a/libvo/vo_gl.c
+++ b/libvo/vo_gl.c
@@ -876,8 +876,8 @@ static int preinit(const char *arg)
               "\n-vo gl command line help:\n"
               "Example: mplayer -vo gl:slice-height=4\n"
               "\nOptions:\n"
-              "  manyfmts\n"
-              "    Enable extended color formats for OpenGL 1.2 and later\n"
+              "  nomanyfmts\n"
+              "    Disable extended color formats for OpenGL 1.2 and later\n"
               "  slice-height=<0-...>\n"
               "    Slice size for texture transfer, 0 for whole image\n"
               "  noosd\n"
@@ -901,6 +901,7 @@ static int preinit(const char *arg)
               "    3: use fragment program with gamma correction.\n"
               "    4: use fragment program with gamma correction via lookup.\n"
               "    5: use ATI-specific method (for older cards).\n"
+              "    6: use lookup via 3D texture.\n"
               "  lscale=<n>\n"
               "    0: use standard bilinear scaling for luma.\n"
               "    1: use improved bicubic scaling for luma.\n"