diff --git a/doc/Install.md b/doc/Install.md
index dd483095c4..6d498abeca 100644
--- a/doc/Install.md
+++ b/doc/Install.md
@@ -18,10 +18,7 @@ If you do not have a Friendica account yet, you can register a temporary one at
 The account will expire after 7 days, but you can ask the server admin to keep your account longer, should the problem not be resolved after that.
 
 Before you begin: Choose a domain name or subdomain name for your server.
-Put some thought into this. Changing it after installation is currently not supported.
-Things will break, and some of your friends may have difficulty communicating with you.
-We plan to address this limitation in a future release.
-
+Put some thought into this. While changing it after installation is supported, things still might break.
 
 Requirements
 ---
@@ -57,7 +54,7 @@ The Linux commands to clone the repository into a directory "mywebsite" would be
 
     git clone https://github.com/friendica/friendica.git -b master mywebsite
     cd mywebsite
-    bin/composer.phar install
+    bin/composer.phar install --no-dev
 
 Make sure the folder *view/smarty3* exists and is writable by the webserver user, in this case `www-data`
 
diff --git a/doc/Update.md b/doc/Update.md
index 17c2d0e724..7b7ccf7bbd 100644
--- a/doc/Update.md
+++ b/doc/Update.md
@@ -21,7 +21,7 @@ You can get the latest changes at any time with
 
     cd path/to/friendica
     git pull
-    bin/composer.phar install
+    bin/composer.phar install --no-dev
 
 The addon tree has to be updated separately like so:
 
@@ -69,4 +69,4 @@ DROP TABLE <table_name>;
 RENAME TABLE <table_name>_new TO <table_name>;
 ```
 
-This method is slower overall, but it is better suited for large numbers of duplicates.
\ No newline at end of file
+This method is slower overall, but it is better suited for large numbers of duplicates.