Apply suggestions from code review

Co-authored-by: Malte Sander <malte.sander.it@gmail.com>

Author: sbernauer

crates/stackable-operator/src/databases/drivers/celery.rs

@@ -16,7 +16,7 @@ pub trait CeleryDatabaseConnection {
     /// Returns the Celery connection details for the given `unique_database_name` using the
     /// default [`TemplatingMechanism`].
     ///
-    /// `unique_database_name` identifies this particular database connection within the operator
+    /// The `unique_database_name` identifies this particular database connection within the operator
     /// and is used as a prefix when naming the injected environment variables. It must consist only
     /// of uppercase ASCII letters and underscores.
     fn celery_connection_details(

crates/stackable-operator/src/databases/drivers/jdbc.rs

@@ -16,7 +16,7 @@ pub trait JDBCDatabaseConnection {
     /// Returns the JDBC connection details for the given `unique_database_name` using the
     /// default [`TemplatingMechanism`].
     ///
-    /// `unique_database_name` identifies this particular database connection within the operator
+    /// The `unique_database_name` identifies this particular database connection within the operator
     /// and is used as a prefix when naming the injected environment variables. It must consist only
     /// of uppercase ASCII letters and underscores.
     fn jdbc_connection_details(
@@ -43,7 +43,7 @@ pub struct JDBCDatabaseConnectionDetails {
     /// The Java class name of the driver, e.g. `org.postgresql.Driver`
     pub driver: String,
 
-    /// The connection URI (without user and  password), e.g.
+    /// The connection URI (without user and password), e.g.
     /// `jdbc:postgresql://airflow-postgresql:5432/airflow`
     pub connection_uri: Url,
 

crates/stackable-operator/src/databases/drivers/sqlalchemy.rs

@@ -11,12 +11,12 @@ use crate::{
 /// [SQLAlchemy](https://www.sqlalchemy.org/) connection URLs.
 ///
 /// Provides a standardized way to obtain a SQLAlchemy connection URI template together with the
-/// necessary credential env vars, regardless of the concrete database type.
+/// necessary credential environment variables, regardless of the concrete database type.
 pub trait SQLAlchemyDatabaseConnection {
     /// Returns the SQLAlchemy connection details for the given `unique_database_name` using the
     /// default [`TemplatingMechanism`].
     ///
-    /// `unique_database_name` identifies this particular database connection within the operator
+    /// The `unique_database_name` identifies this particular database connection within the operator
     /// and is used as a prefix when naming the injected environment variables. It must consist only
     /// of uppercase ASCII letters and underscores.
     fn sqlalchemy_connection_details(