some minor stylistic/typo fixes

lamp_simple/group_vars/all

@@ -1,5 +1,5 @@
 ---
-# varialbles here would be applicable to all groups
+# Variables listed here are applicable to all host groups
 
 httpd_port: 80
 ntpserver: 192.168.1.2

lamp_simple/group_vars/dbservers

@@ -1,5 +1,6 @@
 ---
-# The variables file used by the playbooks in the dbservers group, these dont have to be imported by vars_files: these are autopopulated.
+# The variables file used by the playbooks in the dbservers group.
+# These don't have to be explicitly imported by vars_files: they are autopopulated.
 
 mysqlservice: mysqld
 mysql_port: 3306

lamp_simple/playbooks/db.yml

@@ -1,5 +1,5 @@
 ---
-# This playbook deploys mysql and configures database on the db node/nodes  
+# This playbook deploys MySQL and configures database on the db node(s)
 
 - hosts: dbservers
   user: root

lamp_simple/roles/common/handlers/main.yml

@@ -1,5 +1,6 @@
 ---
-# Handler to handle common notifications
+# Handler to handle common notifications. Handlers are called by other plays.
+# See http://ansible.cc/docs/playbooks.html for more information about handlers.
 
 - name: restart ntp
   service: name=ntpd state=restarted

lamp_simple/roles/common/tasks/main.yml

@@ -1,5 +1,5 @@
 ---
-# This playbook contains common plays that would be run on all Nodes.
+# This playbook contains common plays that will be run on all nodes.
 
 - name: Install ntp 
   yum: name=ntp state=present
@@ -13,6 +13,3 @@
 - name: Start the ntp service
   service: name=ntpd state=started enabled=true
   tags: ntp
-
-
- 

lamp_simple/roles/web/handlers/main.yml

@@ -1,5 +1,6 @@
 ---
-# Handler for the webtier
+# Handler for the webtier: handlers are called by other plays.
+# See http://ansible.cc/docs/playbooks.html for more information about handlers.
 
 - name: restart iptables
   service: name=iptables state=restarted

lamp_simple/roles/web/tasks/copy_code.yml

@@ -7,4 +7,3 @@
 
 - name: Create's the index.php file 
   template: src=../roles/web/templates/index.php.j2 dest=/var/www/html/index.php
-  

lamp_simple/roles/web/tasks/install_httpd.yml

@@ -9,7 +9,6 @@
    - php-mysql
    - libsemanage-python
    - libselinux-python
-  
 
 - name: insert iptables rule for httpd
   lineinfile: dest=/etc/sysconfig/iptables state=present regexp="$httpd_port" insertafter="^:OUTPUT " line="-A INPUT -p tcp  --dport $httpd_port -j  ACCEPT"

lamp_simple/roles/web/templates/index.php.j2

@@ -7,7 +7,7 @@
   <a href=http://{{ ansible_eth0.ipv4.address }}/index.html>Homepage</a>
  </br>
 <?php 
- Print "Hello, World! I am configured in Ansible and i am : ";
+ Print "Hello, World! I am a web server configured using Ansible and I am : ";
  echo exec('hostname');
  Print  "</BR>";
 echo  "List of Databases: </BR>";