Update docs/dev-environment.md

Co-authored-by: Ollie <43674967+outdooracorn@users.noreply.github.com>

Author: dati18

docs/dev-environment.md

@@ -6,7 +6,7 @@ These are currently not using the real api but rather gets their settings from t
 
 The fake api is served by the [server.php](test/server.php) script and reads the corresponding [subdomain](data/WikiInfo-site1.json) from each request.
 
-ElasticSearch in  docker compose environment uses non-shared index setup and the `mul` works as expected. Howerver the page should be refreshed a few time before ES content indexes got updated.
+ElasticSearch in docker compose environment uses non-shared index setup and the `mul` works as expected. Howerver the page should be refreshed a few time before ES content indexes got updated.
 
 The ES index names are not based on the site/domain name but rather on the DB name. This is why the indices appeared to be missing in `site1.localhost_content_first`, the right one should be `mwdb_somedb1_general_first`