debconf detail requirements and fix typos

library/system/debconf

@@ -34,6 +34,7 @@ notes:
     - A number of questions have to be answered (depending on the package).
       Use 'debconf-show <package>' on any Debian or derivative with the package
       installed to see questions/settings available.
+requirements: [ debconf, debconf-utils ]
 options:
   name:
     description:
@@ -127,10 +128,10 @@ def main():
         supports_check_mode=True,
     )
 
-    #TODO: enable passing array of optionas and/or debconf file from get-selections dump
+    #TODO: enable passing array of options and/or debconf file from get-selections dump
     pkg      = module.params["name"]
     question = module.params["question"]
-    vtype     = module.params["vtype"]
+    vtype    = module.params["vtype"]
     value    = module.params["value"]
     unseen   = module.params["unseen"]
 
@@ -142,7 +143,7 @@ def main():
 
     if question is not None:
         if vtype is None or value is None:
-            module.fail_json(msg="when supliying a question you must supply a valide vtype and value")
+            module.fail_json(msg="when supplying a question you must supply a valid vtype and value")
 
         if not question in prev or prev[question] != value:
             changed = True