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/packaging/os/apk.py

@@ -42,7 +42,7 @@ options:
     version_added: "2.4"
   name:
     description:
-      - A package name, like C(foo), or mutliple packages, like C(foo, bar).
+      - A package name, like C(foo), or multiple packages, like C(foo, bar).
     required: false
     default: null
   repository:

lib/ansible/modules/packaging/os/redhat_subscription.py

@@ -404,7 +404,7 @@ class Rhsm(RegistrationBase):
             to those pools.
 
             Since a pool id is a more specific match, we only fallback to matching
-            against names if we didnt match pool ids.
+            against names if we didn't match pool ids.
 
             Raises:
               * Exception - if error occurs while running command

lib/ansible/modules/packaging/os/swupd.py

@@ -269,7 +269,7 @@ class Swupd(object):
         self.msg = "Failed to check for updates"
 
     def verify_os(self):
-        """Verifies filesystem agains specified or current version"""
+        """Verifies filesystem against specified or current version"""
         if self.module.check_mode:
             self.module.exit_json(changed=self._needs_verify())