diff --git a/README.md b/README.md
index 1a42ede..757c985 100644
--- a/README.md
+++ b/README.md
@@ -150,18 +150,17 @@ docker run --name postgresql -d \
 
 , will create a user *dbuser* with the password *dbpass*. It will also create a database named *dbname* and the *dbuser* user will have full access to the *dbname* database.
 
-The PSQL_TRUST_LOCALNET environment variable can be used to configure postgres to trust connections on the same network.  This
-is handy for other containers to connect without authentication. To enable this behavior, set PSQL_TRUST_LOCALNET to Y.
+The `PSQL_TRUST_LOCALNET` environment variable can be used to configure postgres to trust connections on the same network.  This is handy for other containers to connect without authentication. To enable this behavior, set `PSQL_TRUST_LOCALNET` to `true`.
 
 For example,
 
 ```bash
 docker run --name postgresql -d \
-  -e 'PSQL_TRUST_LOCALNET=Y' \
+  -e 'PSQL_TRUST_LOCALNET=true' \
   sameersbn/postgresql:9.4
 ```
 
-This has the effect of adding the following to the pg_hba.conf file:
+This has the effect of adding the following to the `pg_hba.conf` file:
 
 ```
 host    all             all             samenet                 trust
diff --git a/start b/start
index 35ee784..3ce4e13 100755
--- a/start
+++ b/start
@@ -6,10 +6,10 @@ PG_CONFDIR="/etc/postgresql/${PG_VERSION}/main"
 PG_BINDIR="/usr/lib/postgresql/${PG_VERSION}/bin"
 PG_DATADIR="${PG_HOME}/${PG_VERSION}/main"
 
-# set this env variable to Y to enable a line in the
+# set this env variable to true to enable a line in the
 # pg_hba.conf file to trust samenet.  this can be used to connect
 # from other containers on the same host without authentication
-PSQL_TRUST_LOCALNET=${PSQL_TRUST_LOCALNET:N}
+PSQL_TRUST_LOCALNET=${PSQL_TRUST_LOCALNET:false}
 
 DB_NAME=${DB_NAME:-}
 DB_USER=${DB_USER:-}
@@ -33,7 +33,7 @@ listen_addresses = '*'
 EOF
 
 trust_local="host    all             all             samenet                 trust"
-if [ ${PSQL_TRUST_LOCALNET} = "Y" ]; then
+if [ ${PSQL_TRUST_LOCALNET} = "true" ]; then
   echo "Enabling trust samenet in pg_hba.conf..."
   echo ${trust_local} >> ${PG_CONFDIR}/pg_hba.conf
 fi