diff --git a/README.md b/README.md
index 4b55dd6..72ddc64 100644
--- a/README.md
+++ b/README.md
@@ -137,7 +137,7 @@ Example Playbook
     hosts: all
 
     roles:
-      - role: "lean-delivery.oracle_db"
+      - role: "lean_delivery.oracle_db"
         oracle_version: 11
         patch_version: 11.2.0.1
         transport_web: "http://my-storage.example.com"
@@ -152,7 +152,7 @@ Example Playbook
     hosts: all
 
     roles:
-      - role: "lean-delivery.oracle_db"
+      - role: "lean_delivery.oracle_db"
         oracle_version: 11
         patch_version: 11.2.0.3
         transport: "local"
@@ -173,7 +173,7 @@ Example Playbook
     hosts: all
 
     roles:
-      - role: "lean-delivery.oracle_db"
+      - role: "lean_delivery.oracle_db"
         oracle_version: 11
         patch_version: 11.2.0.4
         transport_web: "http://my-storage.example.com"
@@ -195,7 +195,7 @@ Example Playbook
     hosts: all
 
     roles:
-      - role: "lean-delivery.oracle_db"
+      - role: "lean_delivery.oracle_db"
         oracle_version: 12
         patch_version: 12.1.0.2
         transport_web: "http://my-storage.example.com"
@@ -210,7 +210,7 @@ Example Playbook
     hosts: all
 
     roles:
-      - role: "lean-delivery.oracle_db"
+      - role: "lean_delivery.oracle_db"
         oracle_version: xe
         transport_web: "http://my-storage.example.com"
         oracle_images:
diff --git a/meta/main.yml b/meta/main.yml
index adda7c3..96694ea 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -1,6 +1,6 @@
 ---
 galaxy_info:
-  role_name: "oracle-db"
+  role_name: "oracle_db"
   author: "Lean Delivery Team <team@lean-delivery.com>"
   description: "Lean Delivery Oracle Database install"
   company: "EPAM Systems"
diff --git a/tasks/system/prepare.yml b/tasks/system/prepare.yml
index 4bea0c8..fd35d5f 100644
--- a/tasks/system/prepare.yml
+++ b/tasks/system/prepare.yml
@@ -35,14 +35,6 @@
     group: "{{ oracledb.install_group }}"
   become: True
 
-- name: "Adding hostname entry in /etc/hosts"
-  lineinfile:
-    path: /etc/hosts
-    regexp: "^{{ ansible_default_ipv4.address }}"
-    line: "{{ ansible_default_ipv4.address }} {{ ansible_fqdn }}"
-    unsafe_writes: True
-  become: True
-
 - name: "Chown install directory to oracle user"
   file:
     group: "{{ oracledb.install_group }}"