diff --git a/doc/RFC_XR_Fragments.html b/doc/RFC_XR_Fragments.html
index b11bf6f..0d743a3 100644
--- a/doc/RFC_XR_Fragments.html
+++ b/doc/RFC_XR_Fragments.html
@@ -551,17 +551,17 @@ That way, if the link gets shared, the XR Fragments implementation at <code>http
 </tr>
 
 <tr>
-<td><code>s:</code> specifies playback speed</td>
-<td>being able to specify loop(speed) of audio/video/uv timeline-coordinates (default: <code>1[,1]</code> which translates to uv-coordinate <code>0.1,0.1</code> units p/second)</td>
+<td><code>#s</code> specifies playback speed</td>
+<td>being able to specify loop(speed) of audio/video</td>
 </tr>
 
 <tr>
-<td><code>sxy=</code> specifies lerping of xy(wh) values</td>
+<td><code>#sxy=</code> specifies lerping of xy(wh) values</td>
 <td>allows animated cropping and infinite texturescroll with configurable speed for u/v coordinates</td>
 </tr>
 
 <tr>
-<td><code>u:&lt;uniform&gt;=</code></td>
+<td><code>#u:&lt;uniform&gt;=</code></td>
 <td>specifies updating a uniform value</td>
 </tr>
 </tbody>
diff --git a/doc/RFC_XR_Fragments.md b/doc/RFC_XR_Fragments.md
index 08551ce..1d8b438 100644
--- a/doc/RFC_XR_Fragments.md
+++ b/doc/RFC_XR_Fragments.md
@@ -283,9 +283,9 @@ These are automatic fragment-to-metadata mappings, which only trigger if the 3D
 | extension        | info    |
 |------------------|---------|
 | `l:` specifices loop | `t=0,2` specifies oneshot-play (default) whereas `t=l:0,2` indicates looped-play |
-| `s:` specifies playback speed | being able to specify loop(speed) of audio/video/uv timeline-coordinates (default: `1[,1]` which translates to uv-coordinate `0.1,0.1` units p/second) |
-| `sxy=` specifies lerping of xy(wh) values | allows animated cropping and infinite texturescroll with configurable speed for u/v coordinates | 
-| `u:<uniform>=` | specifies updating a uniform value |
+| `#s` specifies playback speed | being able to specify loop(speed) of audio/video |
+| `#sxy=` specifies lerping of xy(wh) values | allows animated cropping and infinite texturescroll with configurable speed for u/v coordinates | 
+| `#u:<uniform>=` | specifies updating a uniform value |
 
 Example URI's:
 
diff --git a/doc/RFC_XR_Fragments.txt b/doc/RFC_XR_Fragments.txt
index 5d086d0..2b8cb0c 100644
--- a/doc/RFC_XR_Fragments.txt
+++ b/doc/RFC_XR_Fragments.txt
@@ -573,27 +573,23 @@ Internet-Draft                XR Fragments                 February 2024
    |  (https://www.w3.org/TR/media-frags/#mf-advanced) with finer
    |  playback/viewport-control:
 
-         +===============+=======================================+
-         | extension     | info                                  |
-         +===============+=======================================+
-         | l: specifices | t=0,2 specifies oneshot-play          |
-         | loop          | (default) whereas t=l:0,2 indicates   |
-         |               | looped-play                           |
-         +---------------+---------------------------------------+
-         | s: specifies  | being able to specify loop(speed) of  |
-         | playback      | audio/video/uv timeline-coordinates   |
-         | speed         | (default: 1[,1] which translates to   |
-         |               | uv-coordinate 0.1,0.1 units p/second) |
-         +---------------+---------------------------------------+
-         | sxy=          | allows animated cropping and infinite |
-         | specifies     | texturescroll with configurable speed |
-         | lerping of    | for u/v coordinates                   |
-         | xy(wh) values |                                       |
-         +---------------+---------------------------------------+
-         | u:<uniform>=  | specifies updating a uniform value    |
-         +---------------+---------------------------------------+
+   +=========================+========================================+
+   | extension               | info                                   |
+   +=========================+========================================+
+   | l: specifices loop      | t=0,2 specifies oneshot-play (default) |
+   |                         | whereas t=l:0,2 indicates looped-play  |
+   +-------------------------+----------------------------------------+
+   | #s specifies playback   | being able to specify loop(speed) of   |
+   | speed                   | audio/video                            |
+   +-------------------------+----------------------------------------+
+   | #sxy= specifies lerping | allows animated cropping and infinite  |
+   | of xy(wh) values        | texturescroll with configurable speed  |
+   |                         | for u/v coordinates                    |
+   +-------------------------+----------------------------------------+
+   | #u:<uniform>=           | specifies updating a uniform value     |
+   +-------------------------+----------------------------------------+
 
-                                  Table 7
+                                 Table 7
 
    Example URI's:
 
@@ -613,6 +609,10 @@ Internet-Draft                XR Fragments                 February 2024
 
 
 
+
+
+
+
 van Kammen                Expires 8 August 2024                [Page 11]
 
 Internet-Draft                XR Fragments                 February 2024
diff --git a/doc/RFC_XR_Fragments.xml b/doc/RFC_XR_Fragments.xml
index 64180c4..dd4ec2e 100644
--- a/doc/RFC_XR_Fragments.xml
+++ b/doc/RFC_XR_Fragments.xml
@@ -449,17 +449,17 @@ That way, if the link gets shared, the XR Fragments implementation at <tt>https:
 </tr>
 
 <tr>
-<td><tt>s:</tt> specifies playback speed</td>
-<td>being able to specify loop(speed) of audio/video/uv timeline-coordinates (default: <tt>1[,1]</tt> which translates to uv-coordinate <tt>0.1,0.1</tt> units p/second)</td>
+<td><tt>#s</tt> specifies playback speed</td>
+<td>being able to specify loop(speed) of audio/video</td>
 </tr>
 
 <tr>
-<td><tt>sxy=</tt> specifies lerping of xy(wh) values</td>
+<td><tt>#sxy=</tt> specifies lerping of xy(wh) values</td>
 <td>allows animated cropping and infinite texturescroll with configurable speed for u/v coordinates</td>
 </tr>
 
 <tr>
-<td><tt>u:&lt;uniform&gt;=</tt></td>
+<td><tt>#u:&lt;uniform&gt;=</tt></td>
 <td>specifies updating a uniform value</td>
 </tr>
 </tbody>