diff --git a/README.md b/README.md
index 029d21f..08222b0 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ just getting started with docker, PostGIS and QGIS, we really recommend that you
 
 The following convention is used for tagging the images we build:
 
-kartoza/postgis:[postgres_version]-[postgis-version]
+kartoza/postgis:[postgres_major_version]-[postgis-point-releases]
 
 So for example:
 
@@ -87,8 +87,8 @@ and then run
 docker build --build-args PG_EXTENSION=true -t kartoza/postgis:12.0 .
 ```
 
-The image is currently built to accommodate the following extensions `ogr_fdw`,`pointcloud`,`pointcloud_postgis` which you can use by with the environment variable
-`POSTGRES_MULTIPLE_EXTENSIONS`.
+If you build the custom extensions you will be able to activate the following `pointcloud`,`pointcloud_postgis` 
+extensions with the environment variable `POSTGRES_MULTIPLE_EXTENSIONS`.
 
 ## Run
 
@@ -96,7 +96,7 @@ The image is currently built to accommodate the following extensions `ogr_fdw`,`
 To create a running container do:
 
 ```
-sudo docker run --name "postgis" -p 25432:5432 -d -t kartoza/postgis
+docker run --name "postgis" -p 25432:5432 -d -t kartoza/postgis
 ```
 
 ## Environment variables
@@ -107,7 +107,9 @@ user name, password and/or default database name(or multiple databases comma sep
 * -e POSTGRES_USER=<PGUSER>
 * -e POSTGRES_PASS=<PGPASSWORD>
 * -e POSTGRES_DBNAME=<PGDBNAME>
-* -e POSTGRES_MULTIPLE_EXTENSIONS=postgis,hstore,postgis_topology,pointcloud,pointcloud_postgis # You can pass as many extensions as you need.
+* -e POSTGRES_MULTIPLE_EXTENSIONS=postgis,hstore,postgis_topology 
+
+You can pass as many extensions as you need.
 * -e SSL_CERT_FILE=/your/own/ssl_cert_file.pem
 * -e SSL_KEY_FILE=/your/own/ssl_key_file.key
 * -e SSL_CA_FILE=/your/own/ssl_ca_file.pem
@@ -122,18 +124,9 @@ Maximum size to let the WAL grow to between automatic WAL checkpoints.
 * -e WAL_SIZE=4GB
 
 * -e MIN_WAL_SIZE=2048MB
-
-Specifes the size of WAL segment files when creating a new data base cluster. Maximum
-permitted value is 1024 (equivalent to 1GB)
 * -e WAL_SEGSIZE=1024
-
-Specifies the maximum amount of memory to be used by maintenance operations, such as VACUUM, CREATE INDEX, and ALTER TABLE ADD FOREIGN KEY
 * -e MAINTAINANCE_WORK_MEM=128MB
 
-These will be used to create a new superuser with
-your preferred credentials. If these are not specified then the postgresql
-user is set to 'docker' with password 'docker'.
-
 You can open up the PG port by using the following environment variable. By default
 the container will allow connections only from the docker private subnet.
 
@@ -149,6 +142,7 @@ You can also define any other configuration to add to `postgres.conf`, separated
 * -e EXTRA_CONF="log_destination = 'stderr'\nlogging_collector = on"
 
 
+
 ## Convenience docker-compose.yml
 
 For convenience we have provided a ``docker-compose.yml`` that will run a
@@ -197,7 +191,7 @@ When running scripts they will only be executed against the
 first database ie POSTGRES_DB=gis,data,sample
 The SQL script will be executed against the gis database.
 
-Currently you can pass `.sql` and `.sql.gz` files as mounted volumes.
+Currently you can pass `.sql` , `.sql.gz` and `.sh` files as mounted volumes.
 
 ```