fix: typos in documentation files (#809)

Author: maximevtush

apps/nextra/pages/en/network/blockchain/base-gas.mdx

@@ -198,7 +198,7 @@ In Move, one can read from the global state:
 | storage_io_per_state_slot_read | charged per item loaded from global state |
 | storage_io_per_state_byte_read | charged per byte loaded from global state |
 
-For a committed transaction, various things will be written to the ledger history. Notice that the ledger hisotry is subject to pruning and doesn't occupy permanent space on the disk, hence no storage fee charged for it.
+For a committed transaction, various things will be written to the ledger history. Notice that the ledger history is subject to pruning and doesn't occupy permanent space on the disk, hence no storage fee charged for it.
 
 | Parameter                             | Meaning                                                                             |
 |---------------------------------------|-------------------------------------------------------------------------------------|