diff --git a/README.md b/README.md
index 60052ca..6fc8ca6 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,12 @@ app), use
 
 ```
 gradlew clean build -x :brouter-routing-app:build
+
+```
+Then build jars for server and map creator with all dependent classes
+
+```
+gradlew farJar
 ```
 
 
@@ -85,7 +91,7 @@ binary format (rd5) for improved efficiency of BRouter routing.
 #### Download them from brouter.de
 
 Segments files from the whole planet are generated weekly at
-[http://brouter.de/brouter/segments4/](http://brouter.de/brouter/segments4/).
+[https://brouter.de/brouter/segments4/](http://brouter.de/brouter/segments4/).
 
 You can download one or more segments files, covering the area of the planet
 your want to route, into the `misc/segments4` directory.
diff --git a/build.gradle b/build.gradle
index 689084e..e8b4939 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.2'
+        classpath 'com.android.tools.build:gradle:7.0.0'
         
 
         // NOTE: Do not place your application dependencies here; they belong
@@ -17,6 +17,11 @@ buildscript {
 }
 
 allprojects {
+    // NOTE:
+    // there are three places to change the version number
+    // this file
+    // app: build.gradle (versionCode only)
+    // OsmTrack (version and versionDate)
     project.version  "1.6.1"
 	
     repositories {