Apply suggestions from code review

Co-authored-by: Radu Bahmata <92028479+BowTiedRadone@users.noreply.github.com>

Author: wileyj

docker/docker-compose.yml

@@ -60,7 +60,7 @@ x-common-vars:
     - &BITCOIN_RPC_PASS devnet
     - &MINE_INTERVAL ${MINE_INTERVAL:-2} # time in seconds to wait to mine a block in epoch 2.0
     - &MINE_INTERVAL_EPOCH25 ${MINE_INTERVAL_EPOCH25:-1} # time in seconds to wait to mine a block in epoch 2.5
-    - &MINE_INTERVAL_EPOCH3 ${MINE_INTERVAL_EPOCH3:-30} # 4 min bitcoin block times in epoch 3
+    - &MINE_INTERVAL_EPOCH3 ${MINE_INTERVAL_EPOCH3:-30} # time in seconds to wait to mine a block in epoch 3.0
     - &NAKAMOTO_BLOCK_INTERVAL 2 # seconds to wait between issuing stx-transfer transactions (which triggers Nakamoto block production)
     - &STACKS_20_HEIGHT ${STACKS_20_HEIGHT:-0}
     - &STACKS_2_05_HEIGHT ${STACKS_2_05_HEIGHT:-203}