:explorerer -> :explorer

.circleci/config.yml

@@ -310,7 +310,7 @@ jobs:
           ETHEREUM_JSONRPC_WEB_SOCKET_CASE: "EthereumJSONRPC.WebSocket.Case.Geth"
       - image: circleci/postgres:10.3-alpine
         environment:
-          # Match apps/explorer/config/test.exs config :explorerer, Explorer.Repo, database
+          # Match apps/explorer/config/test.exs config :explorer, Explorer.Repo, database
           POSTGRES_DB: explorer_test
           # match PGPASSWORD for elixir image above
           POSTGRES_PASSWORD: postgres
@@ -360,7 +360,7 @@ jobs:
           ETHEREUM_JSONRPC_WEB_SOCKET_CASE: "EthereumJSONRPC.WebSocket.Case.Mox"
       - image: circleci/postgres:10.3-alpine
         environment:
-          # Match apps/explorer/config/test.exs config :explorerer, Explorer.Repo, database
+          # Match apps/explorer/config/test.exs config :explorer, Explorer.Repo, database
           POSTGRES_DB: explorer_test
           # match PGPASSWORD for elixir image above
           POSTGRES_PASSWORD: postgres