diff --git a/src/net_processing.h b/src/net_processing.h
--- a/src/net_processing.h
+++ b/src/net_processing.h
@@ -109,7 +109,7 @@
     void EvictExtraOutboundPeers(int64_t time_in_seconds);
 
 private:
-    //! Next time to check for stale tip
+    //!< Next time to check for stale tip
     int64_t m_stale_tip_check_time;
 
     /** Enable BIP61 (sending reject messages) */
diff --git a/src/netbase.cpp b/src/netbase.cpp
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -207,10 +207,10 @@
 
 /** Values defined for METHOD in RFC1928 */
 enum SOCKS5Method : uint8_t {
-    NOAUTH = 0x00,        //! No authentication required
-    GSSAPI = 0x01,        //! GSSAPI
-    USER_PASS = 0x02,     //! Username/password
-    NO_ACCEPTABLE = 0xff, //! No acceptable methods
+    NOAUTH = 0x00,        //!< No authentication required
+    GSSAPI = 0x01,        //!< GSSAPI
+    USER_PASS = 0x02,     //!< Username/password
+    NO_ACCEPTABLE = 0xff, //!< No acceptable methods
 };
 
 /** Values defined for CMD in RFC1928 */
@@ -222,15 +222,15 @@
 
 /** Values defined for REP in RFC1928 */
 enum SOCKS5Reply : uint8_t {
-    SUCCEEDED = 0x00,        //! Succeeded
-    GENFAILURE = 0x01,       //! General failure
-    NOTALLOWED = 0x02,       //! Connection not allowed by ruleset
-    NETUNREACHABLE = 0x03,   //! Network unreachable
-    HOSTUNREACHABLE = 0x04,  //! Network unreachable
-    CONNREFUSED = 0x05,      //! Connection refused
-    TTLEXPIRED = 0x06,       //! TTL expired
-    CMDUNSUPPORTED = 0x07,   //! Command not supported
-    ATYPEUNSUPPORTED = 0x08, //! Address type not supported
+    SUCCEEDED = 0x00,        //!< Succeeded
+    GENFAILURE = 0x01,       //!< General failure
+    NOTALLOWED = 0x02,       //!< Connection not allowed by ruleset
+    NETUNREACHABLE = 0x03,   //!< Network unreachable
+    HOSTUNREACHABLE = 0x04,  //!< Network unreachable
+    CONNREFUSED = 0x05,      //!< Connection refused
+    TTLEXPIRED = 0x06,       //!< TTL expired
+    CMDUNSUPPORTED = 0x07,   //!< Command not supported
+    ATYPEUNSUPPORTED = 0x08, //!< Address type not supported
 };
 
 /** Values defined for ATYPE in RFC1928 */
diff --git a/src/txmempool.h b/src/txmempool.h
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -372,19 +372,19 @@
  * notification signal.
  */
 enum class MemPoolRemovalReason {
-    //! Manually removed or unknown reason
+    //!< Manually removed or unknown reason
     UNKNOWN = 0,
-    //! Expired from mempool
+    //!< Expired from mempool
     EXPIRY,
-    //! Removed in size limiting
+    //!< Removed in size limiting
     SIZELIMIT,
-    //! Removed for reorganization
+    //!< Removed for reorganization
     REORG,
-    //! Removed for block
+    //!< Removed for block
     BLOCK,
-    //! Removed for conflict with in-block transaction
+    //!< Removed for conflict with in-block transaction
     CONFLICT,
-    //! Removed for replacement
+    //!< Removed for replacement
     REPLACED
 };