diff --git a/extensions/openpower-pels/fapi_data_process.hpp b/extensions/openpower-pels/fapi_data_process.hpp
index 2da6e45..a9f2f0a 100644
--- a/extensions/openpower-pels/fapi_data_process.hpp
+++ b/extensions/openpower-pels/fapi_data_process.hpp
@@ -19,6 +19,7 @@
  * @brief Used to convert  processed SBE FFDC FAPI format packets into
  *        PEL expected format.
  *
+ * @param[in]  ffdc FFDC data capturd by the HWP
  * @param[out] pelJSONFmtCalloutDataList used to store collected callout
  *             data into pel expected format
  * @param[out] ffdcUserData used to store additional ffdc user data to