Fix incorrect comment relating to STALE_CHECK_INTERVAL (#434)

src/net_processing.h

@@ -29,7 +29,7 @@ static constexpr int32_t MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT = 4;
 /** Timeout for (unprotected) outbound peers to sync to our chainwork, in seconds */
 static constexpr int64_t CHAIN_SYNC_TIMEOUT = 20 * 60; // 20 minutes
 /** How frequently to check for stale tips, in seconds */
-static constexpr int64_t STALE_CHECK_INTERVAL = 2.5 * 60; // 10 minutes
+static constexpr int64_t STALE_CHECK_INTERVAL = 2.5 * 60; // 2.5 minutes
 /** How frequently to check for extra outbound peers and disconnect, in seconds */
 static constexpr int64_t EXTRA_PEER_CHECK_INTERVAL = 45;
 /** Minimum time an outbound-peer-eviction candidate must be connected for, in order to evict, in seconds */