diff --git a/README.adoc b/README.adoc
index dfced9b..636c014 100644
--- a/README.adoc
+++ b/README.adoc
@@ -2,18 +2,18 @@
 
 1. fetch sources for this project, and other webtools projects you care about. For example, to contribute a fix to webtools.servertools:
 
-    git clone http://git.eclipse.org/gitroot/webtools/webtools.releng.aggregator.git
+    git clone https://git.eclipse.org/r/webtools/webtools.releng.aggregator.git
 
-    git clone http://git.eclipse.org/gitroot/webtools-common/webtools.common.git
-    git clone http://git.eclipse.org/c/servertools/webtools.servertools.git
+    git clone https://git.eclipse.org/r/webtools-common/webtools.common.git
+    git clone https://git.eclipse.org/r/servertools/webtools.servertools.git
 
 NOTE: See the link:https://wiki.eclipse.org/WTP_Gerrit_Access#Clone_a_repository_for_development[complete list of projects here].
 
 2. give maven more memory, if needed
 
-    set MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m" # windows users
+    set MAVEN_OPTS="-Xmx1024m" # windows users
       # or
-    export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m" # linux users
+    export MAVEN_OPTS="-Xmx1024m" # linux/macos users
 
 3. Build local changes to common and/or servertools: