Spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
This tool is licensed under GNU General Public License, version 2.

Change-Id: I78e9d126f19fd9fb2e3f2fa9fe8c2404dc505f82
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/utils.hpp b/utils.hpp
index 265a555..0b2b2db 100644
--- a/utils.hpp
+++ b/utils.hpp
@@ -46,7 +46,7 @@
                              const std::string& match = {});
 
 /** @brief Gets the ipAddres of first dbus IP object of Non-LinkLocalIPAddress
- *         type from the given subtree, if not avalable gets IP object of
+ *         type from the given subtree, if not available gets IP object of
  *         LinkLocalIPAddress type.
  *  @param[in] bus - DBUS Bus Object.
  *  @param[in] interface - Dbus interface.