Spelling fixes

Change-Id: Ia840360c00cc8d7baaafd797ae2411bc5cc03ed3
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/manager.cpp b/manager.cpp
index 1c971a3..1145d33 100644
--- a/manager.cpp
+++ b/manager.cpp
@@ -111,12 +111,12 @@
     if (hostOn)
     {
         // If host is on, set the values as requested time mode/owner.
-        // And when host becomes off, notify the listners.
+        // And when host becomes off, notify the listeners.
         setPropertyAsRequested(key, value);
     }
     else
     {
-        // If host is off, notify listners
+        // If host is off, notify listeners
         if (key == PROPERTY_TIME_MODE)
         {
             setCurrentTimeMode(value);