Fix a/an in Javadoc

Signed-off-by: Tran Ngoc Nhan <ngocnhan.tran1996@gmail.com>

Original pull request #4154

Author: ngocnhan-tran1996

CI.adoc

@@ -9,7 +9,7 @@ image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-jpa%2F1.11.x&su
 Since this pipeline is purely Docker-based, it's easy to:
 
 * Debug what went wrong on your local machine.
-* Test out a a tweak to your test routine before sending it out.
+* Test out a tweak to your test routine before sending it out.
 * Experiment against a new image before submitting your pull request.
 
 All of these use cases are great reasons to essentially run what the CI server does on your local machine.

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/aot/AotEntityGraph.java

@@ -22,7 +22,7 @@
 import org.springframework.data.jpa.repository.EntityGraph;
 
 /**
- * AOT representation of an resolved entity graph. The graph can be either named or defined by attribute paths in case
+ * AOT representation of a resolved entity graph. The graph can be either named or defined by attribute paths in case
  * the named entity graph cannot be looked up.
  *
  * @author Mark Paluch

spring-data-jpa/src/main/java/org/springframework/data/jpa/support/ClasspathScanningPersistenceUnitPostProcessor.java

@@ -153,7 +153,7 @@ private Set<String> scanForMappingFileLocations() {
 
 		/*
 		 * Note that we cannot use File.pathSeparator here since resourcePath uses a forward slash path ('/') separator
-		 * being an URI, while basePackagePathComponent has system dependent separator (on windows it's the backslash separator).
+		 * being a URI, while basePackagePathComponent has system dependent separator (on windows it's the backslash separator).
 		 *
 		 * See DATAJPA-407.
 		 */

spring-data-jpa/src/main/java/org/springframework/data/jpa/util/TupleBackedMap.java

@@ -49,7 +49,7 @@ public TupleBackedMap(Tuple tuple) {
 	}
 
 	/**
-	 * Creates a underscore-aware {@link Tuple} wrapper applying {@link JdbcUtils#convertPropertyNameToUnderscoreName}
+	 * Creates an underscore-aware {@link Tuple} wrapper applying {@link JdbcUtils#convertPropertyNameToUnderscoreName}
 	 * conversion to leniently look up properties from query results whose columns follow snake-case syntax.
 	 *
 	 * @param delegate the tuple to wrap.