diff --git a/src/capwap/capwap_crypto.h b/src/capwap/capwap_crypto.h
index 8f02f925..6c775365 100644
--- a/src/capwap/capwap_crypto.h
+++ b/src/capwap/capwap_crypto.h
@@ -2,9 +2,15 @@
 #define __CAPWAP_CRYPTO_H
 
 #include <nettle/md5.h>
+/**
+ *@file
+ *@brief
+ */
 
+/** MD5 digest size, 16 bytes */
 #define CW_MD5_DIGEST_SIZE MD5_DIGEST_SIZE
 
+
 int cw_fgetmd5sum(uint8_t *digest, FILE *infile);