Correct multiple spelling errors to improve readability

CHANGELOG.md

@@ -226,7 +226,7 @@
 
 **Features**
 
-**Foundation Cetral**:
+**Foundation Central**:
 - Ansible module for Foundation Central
 - Ansible module for API Keys to authenticate with FC
 - Ansible info module for API Keys
@@ -332,6 +332,6 @@
 - solve python 2.7 issues [\#41](https://github.com/nutanix/nutanix.ansible/pull/41)
 - device index calculation fixes, updates for get by name functionality[\#254](https://github.com/nutanix/nutanix.ansible/pull/42)
 - Client SDK with inventory [\#45](https://github.com/nutanix/nutanix.ansible/pull/45)
-- Fix error messages for get_uuid() reponse [\#47](https://github.com/nutanix/nutanix.ansible/pull/47)
+- Fix error messages for get_uuid() response [\#47](https://github.com/nutanix/nutanix.ansible/pull/47)
 
 **Full Changelog**: [here](https://github.com/nutanix/nutanix.ansible/commits/v1.0.0-beta.1)

CHANGELOG.rst

@@ -100,7 +100,7 @@ New Modules
 - ntnx_ndb_db_servers_info - info module for ndb db server vms info
 - ntnx_ndb_linked_databases - module to manage linked databases of a database instance
 - ntnx_ndb_maintenance_tasks - module to add and remove maintenance related tasks
-- ntnx_ndb_maintenance_window - module to create, update and delete mainetance window
+- ntnx_ndb_maintenance_window - module to create, update and delete maintenance window
 - ntnx_ndb_maintenance_windows_info - module for fetching maintenance windows info
 - ntnx_ndb_profiles - module for create, update and delete of profiles
 - ntnx_ndb_profiles_info - info module for ndb profiles

CONTRIBUTING.md

@@ -83,7 +83,7 @@
 ## Workflow
 
 1. Create a github issue with following details
- * **Title** should contain <font color="red">one of</font> the follwoing
+ * **Title** should contain <font color="red">one of</font> the following
     - [Feat] Develop ansible module for \<api_name>
     - [Imprv] Modify ansible module to support \<new_functionality>
     - [Bug] Fix \<summary of issue> bug in \<ansible_module_name>
@@ -106,7 +106,7 @@
  * `imprv/issue#<id>`
  * `bug/issue#<id>`
 
-3. Develop `sanity`, `unit` and `integrtaion` tests.
+3. Develop `sanity`, `unit` and `integration` tests.
 
 4. Create a [pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request)