chore: Fix Typos and Minor Edits in Documentation Files* (#12881)

* typo corr 2022-02-02-inflation-vuln.md

* typo corr README.md

* typo corr RUNBOOK.md

docs/postmortems/2022-02-02-inflation-vuln.md

@@ -58,7 +58,7 @@ timeline and activities were as follows:
 (Using github handles as identifiers)
 
 - 2022-02-02 1625: smartcontracts receives an e-mail from saurik claiming to have found a critical
-  issue in L2Geth. E-mail was sent to securityoptimism.io.
+  issue in L2Geth. E-mail was sent to security@optimism.io.
 - 2022-02-02 X: saurik messaged smartcontracts on Discord to make sure we checked the e-mail since
   he knew we had a prior problem where security advisories went to spam.
 - 2022-02-02 1650: Huddle begins in #security on Slack.

op-challenger/README.md

 # op-challenger
 
 The `op-challenger` is a modular **op-stack** challenge agent written in
-golang for dispute games including, but not limited to,attestation games,
+golang for dispute games including, but not limited to, attestation games,
 fault games, and validity games. To learn more about dispute games, visit
 the [fault proof specs][proof-specs].
 

op-conductor/RUNBOOK.md

@@ -28,7 +28,7 @@ OP_CONDUCTOR_NODE_RPC=<node-rpc-endpoint> # for example, http://op-node:8545
 OP_CONDUCTOR_EXECUTION_RPC=<execution-rpc-endpoint> # for example, http://op-geth:8545
 OP_CONDUCTOR_NETWORK=<network-name> # for example, base-mainnet, op-mainnet, etc, should be same as OP_NODE_NETWORK
 OP_CONDUCTOR_HEALTHCHECK_INTERVAL=<healthcheck-interval> # in seconds
-OP_CONDUCTOR_HEALTHCHECK_UNSAFE_INTERVAL=<unsafe-interval> # Interval allowed between unsafe head and now measured in seconds in seconds
+OP_CONDUCTOR_HEALTHCHECK_UNSAFE_INTERVAL=<unsafe-interval> # Interval allowed between unsafe head and now measured in seconds
 OP_CONDUCTOR_HEALTHCHECK_MIN_PEER_COUNT=<min-peer-count> # minimum number of peers required to be considered healthy
 OP_CONDUCTOR_RAFT_BOOTSTRAP=true/false # set to true if you want to bootstrap the raft cluster
 ```