clip description

docs/clips/flip.md

@@ -6,20 +6,25 @@ Mirrored and rotated stitches.
 ==============================
 
 Soundless video clip.
+---------------------
 
 <video controls style="border: 1px solid; padding-top: 2px;">
     <source src="flip.mp4" type="video/mp4">
     Your browser does not support an inline <a href="flip">video</a>.
-</video>  
+</video>   
 
-&nbsp;
+The clip shows that buttons `↔` and `↕` change the text field.
+You can subsequently assign the text value to stitches in the diagram.
+
+Details
+-------
 
 These 
 [diamond](https://d-bl.github.io/GroundForge/stitches.html?patchWidth=12&patchHeight=12&footside=4,x&tile=-5-5,5-5-,-5-5,5-5-&headside=x,7&shiftColsSW=-4&shiftRowsSW=0&shiftColsSE=4&shiftRowsSE=4&e1=ctc&c1=cllcrc&a1=ctctctl&n2=ctctctr&d2=cllcrc&b2=cllcrc&e3=ctc&c3=cllcrc&d4=ctc&b4=ctc)
 and
 [square](https://d-bl.github.io/GroundForge/stitches.html?b1=cllcr&c1=crrcl&b2=rcllc&c2=lcrrc&tile=88,11&a1=rctctctctt&l2=lctctctctt&shiftColsSW=0&shiftRowsSW=2&shiftColsSE=2&shiftRowsSE=2&patchWidth=10&patchHeight=12&headside=x,7&footside=4,x)
 patterns (with other stitches than the video demo above) are used to
-demonstrate details of the flip feature in the figures below.
+demonstrate details of the flip effects in the figures below.
 
 ![](cllcr-bdpq.svg)