Polish "Remove 'etc' in reference documentation"

See gh-28497

Author: philwebb

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/resources/org/springframework/boot/actuate/autoconfigure/endpoint/web/documentation/sample.log.2021-06-15.0.gz

@@ -171,7 +171,7 @@ Spring Data can create implementations of `@Repository` interfaces of various fl
 Spring Boot handles all of that for you, as long as those `@Repositories` are included in the same package (or a sub-package) of your `@EnableAutoConfiguration` class.
 
 For many applications, all you need is to put the right Spring Data dependencies on your classpath.
-There is a `spring-boot-starter-data-jpa` for JPA, `spring-boot-starter-data-mongodb` for Mongodb, and other starters.
+There is a `spring-boot-starter-data-jpa` for JPA, `spring-boot-starter-data-mongodb` for Mongodb, and various other starters for supported technologies.
 To get started, create some repository interfaces to handle your `@Entity` objects.
 
 Spring Boot tries to guess the location of your `@Repository` definitions, based on the `@EnableAutoConfiguration` it finds.

spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto/data-access.adoc

@@ -233,7 +233,8 @@ As of Undertow 1.4.0+, both `h2` and `h2c` are supported on JDK 8 without any ad
 
 [[howto.webserver.configure]]
 === Configure the Web Server
-Generally, you should first consider using one of the many available configuration keys and customize your web server by adding new entries in your `application.properties` (or `application.yml`, or environment, or other settings). See "`<<howto#howto.properties-and-configuration.discover-build-in-options-for-external-properties>>`").
+Generally, you should first consider using one of the many available configuration keys and customize your web server by adding new entries in your `application.properties` or `application.yml` file.
+See "`<<howto#howto.properties-and-configuration.discover-build-in-options-for-external-properties>>`").
 The `server.{asterisk}` namespace is quite useful here, and it includes namespaces like `server.tomcat.{asterisk}`, `server.jetty.{asterisk}` and others, for server-specific features.
 See the list of <<application-properties#application-properties>>.