README.md: mention also the tetraflexagon example

diff --git a/README.md b/README.md
index e86f5dc..be53918 100644 (file)
--- a/README.md
+++ b/README.md
@@ -25,15 +25,30 @@ $ make install_gimp_plugin
 Then launch Gimp and go to `Filters -> Render -> Hexaflexagon`.
 
 
-## Live SVG hexaflexagon editing in Inkscape
+## Live SVG flexagon editing in Inkscape
 
-Create a new base file with the following command:
+### Hexaflexagon
+
+Create a new hexaflexagon base file with the following command:
 
 ```
 $ ./src/svg_hexaflexagon_editor.py
 ```
 
 Open the generated file `inkscape-hexaflexagon-editor.svg` in Inkscape and add
-the hexagon content to the layers named *Hexagon 1*, *Hexagon 2*, *Hexagon3*.
+the hexagon content to the layers named *Hexagon 1*, *Hexagon 2*, *Hexagon 3*.
 
 See the hexaflexagon being composed automatically and interactively.
+
+### Tetraflexagon
+
+Create a new tetraflexagon base file with the following command:
+
+```
+$ ./src/svg_tetraflexagon_editor.py
+```
+
+Open the generated file `inkscape-tetraflexagon-editor.svg` in Inkscape and add
+the squares content to the layers named *Square 1*, *Square 2*, *Square 3*.
+
+See the tetraflexagon being composed automatically and interactively.