Fix spelling mistakes (comments only) (#25564)

Original Author : klemens <ka7@github.com>

Taking over previous PR as per
https://github.com/ansible/ansible/pull/23644#issuecomment-307334525

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/modules/net_tools/basics/uri.py

@@ -471,7 +471,7 @@ def main():
     else:
         changed = False
 
-    # Transmogrify the headers, replacing '-' with '_', since variables dont
+    # Transmogrify the headers, replacing '-' with '_', since variables don't
     # work with dashes.
     # In python3, the headers are title cased.  Lowercase them to be
     # compatible with the python2 behaviour.

lib/ansible/modules/net_tools/exoscale/exo_dns_domain.py

@@ -179,7 +179,7 @@ exo_dns_domain:
             type: int
             sample: null
         whois_protected:
-            description: Wheter the whois is protected or not
+            description: Whether the whois is protected or not
             returned: success
             type: bool
             sample: false

lib/ansible/modules/net_tools/omapi_host.py

@@ -115,7 +115,7 @@ changed:
     returned: success
     type: string
 lease:
-    description: dictionnary containing host informations
+    description: dictionary containing host information
     returned: success
     type: complex
     contains: