Fix minor typos (#22419)

## Description
Fixed minor typos to improve readability.

Author: k-kbk

content/manuals/compose/how-tos/profiles.md

@@ -111,8 +111,8 @@ services:
 # Only start backend and db
 $ docker compose up -d
 
-# This runs db-migrations (and,if necessary, start db)
-# by implicitly enabling the profiles `tools`
+# This runs db-migrations (and, if necessary, start db)
+# by implicitly enabling the profiles "tools"
 $ docker compose run db-migrations
 ```
 
@@ -150,7 +150,7 @@ services:
 $ docker compose up -d
 
 # Start mock-backend (and, if necessary, db)
-# by implicitly enabling profiles `dev`
+# by implicitly enabling profiles "dev"
 $ docker compose up -d mock-backend
 
 # This fails because profiles "dev" is not enabled

content/manuals/compose/how-tos/startup-order.md

@@ -55,7 +55,7 @@ Compose waits for healthchecks to pass on dependencies marked with `service_heal
 
 `restart: true` ensures that if `db` is updated or restarted due to an explicit Compose operation, for example `docker compose restart`, the `web` service is also restarted automatically, ensuring it re-establishes connections or dependencies correctly.
 
-The healthcheck for the `db` service uses the `pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}'` command to check if the PostgreSQL database is ready. The service is retried every 10 seconds, up to 5 times.
+The healthcheck for the `db` service uses the `pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}` command to check if the PostgreSQL database is ready. The service is retried every 10 seconds, up to 5 times.
 
 Compose also removes services in dependency order. `web` is removed before `db` and `redis`.