Update README.md

README.md

-# Syntax-derived editor for ES Tools
+# Syntax-Derived Editor for ES Tools
 
 #### Editors
 * OSS
@@ -54,3 +54,18 @@ So, from the root of the project run:
   - `mvn clean deploy -Dhttps.protocols=TLSv1.2 -P Neon,Java8,<DevelopmentUpdateSite|ProductionUpdateSite>`
   - `mvn clean deploy -Dhttps.protocols=TLSv1.2 -P 2020-06,<Java8|Java11>,<DevelopmentUpdateSite|ProductionUpdateSite>`
   - `mvn clean deploy -Dhttps.protocols=TLSv1.2 -P 2021,Java11,<DevelopmentUpdateSite|ProductionUpdateSite>` 
+
+##### Some notes on the SDE update sites
+The following information refers to the current update site server installation but may change in the future, so these notes should be kept up to date.  
+
+Server Name: `es-services-website.fbk.eu`   
+User: `esuser`
+
+The `ssh private key` of the `esuser` must be already present in the machine that runs the maven command.  
+The repositories of the SDE updadate site are located in:  
+
+`/data/www/es-static.fbk.eu/html/tools/eclipse/<neon|2020-06|2021-03>/<sde|sde_devel>`
+
+The `/data/www/es-static.fbk.eu/html/tools/eclipse/<neon|2020-06|2021-03>/<sde_prev|sde_devel_prev>` hold the very last previous uploads.  
+They are created automatically at the end of each successful upload of a new update site.
+