Spelling fixes

Spelling errors found using github.com/lucasdemarchi/codespell
A tool to fix common misspellings.
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Change-Id: Ia7364df04fb1f1842d07b41da23a6fc7c7bd6b3c
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/powercap.hpp b/powercap.hpp
index 6a77c9d..6a5f0d1 100644
--- a/powercap.hpp
+++ b/powercap.hpp
@@ -108,7 +108,7 @@
     /* @brief OCC Status object */
     Status &occStatus;
 
-    /** @brief Used to subscribe to dbus pcap propety changes **/
+    /** @brief Used to subscribe to dbus pcap property changes **/
     sdbusplus::bus::match_t pcapMatch;
 
  };