small typos

standards/core/relay-sharding.md

@@ -49,14 +49,14 @@ Assigning content topics to specific shards is up to app protocols,
 but the discovery of these shards is managed by Waku.
 
 Static shards are managed in shard clusters of 1024 shards per cluster.
-Waku static sharding can manage $2^16$ shard clusters.
-Each shard cluster is identified by its index (between $0$ and $2^16-1$).
+Waku static sharding can manage $2^{16}$ shard clusters.
+Each shard cluster is identified by its index (between $0$ and $2^{16}-1$).
 
 A specific shard cluster is either globally available to all apps,
 specific for an app protocol,
 or reserved for automatic sharding (see next section).
 
-> *Note:* This leads to $2^16 * 1024 = 2^26$ shards for which Waku manages discovery.
+> *Note:* This leads to $2^{16} * 1024 = 2^{26}$ shards for which Waku manages discovery.
 
 App protocols can either choose to use global shards, or app specific shards.
 
@@ -128,6 +128,7 @@ Nodes MAY interpret `rs` in such ENRs, but MUST ignore `rsv`.
 
 The ENR key is `rs`.
 The value is comprised of
+
 * a two-byte shard cluster index in network byte order, concatenated with
 * a one-byte length field holding the number of shards in the given shard cluster, concatenated with
 * two-byte shard indices in network byte order