diff --git a/readme.md b/readme.md
index 8db538a..9175391 100644
--- a/readme.md
+++ b/readme.md
@@ -61,6 +61,14 @@ for these three drawing tools, clicks scroll through the following filling optio
segment line → polyline → color filled polygon → outer filed polygon → white filled polygon → black filled polygon
+#### scaled measurement
+when measurement is activated, the length of your in progress drawing is displayed. taking into account the current scale.
+You can set the scale in the options, but you can also define it drawing.
+to do so:
+* draw a curve, a line, or an arrow with the right button.
+* when the drawing will be completed, enter the actual length of your drawing to defin the scale
+* draw all your next drawing normally with the left scale. The next drawings length will take into account the new scale
+
### Numbering
@@ -500,6 +508,14 @@ When upgrading from an previous ppInk version :
* Open global settings
* save the files : The new entries will be added.
+### running ppInk
+
+ppInk can be executed from any folder. If the folder has limited rights and can not write in the folder, images and config and translation files will be copied to
+%APPDATA%\ppInk. This allow ppInk to be run by many users with different setups.
+
+you can also indicate an other folder with your setup in the command line using ppink -c _config folder_
+
+
### Rest API
In order to allow customisation, ppInk provides now a REST API allowing control from an external program/device such as a streamdesk from Elgato or touchPortal:
@@ -585,5 +601,3 @@ https://github.com/geovens/gInk
ppInk
https://github.com/pubpub-zz/ppInk
© Pubpub-ZZ 2020-2024
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