Fix typos.

contrib/linearize/README.md

@@ -46,7 +46,7 @@ linearize-hashes.py.
 (Default: `1000*1000*1000 bytes`)
 * `netmagic`: Network magic number.
 * `out_of_order_cache_sz`: If out-of-order blocks are being read, the block can
-be written to a cache so that the blockchain doesn't have to be seeked again.
+be written to a cache so that the blockchain doesn't have to be sought again.
 This option specifies the cache size. (Default: `100*1000*1000 bytes`)
 * `rev_hash_bytes`: If true, the block hash list written by linearize-hashes.py
 will be byte-reversed when read by linearize-data.py. See the linearize-hashes