Fixing Typo in JdbcAggregateChangeExecutionContext Exception Message.

Signed-off-by: JaeYeon Kim <ghgh415263@naver.com>

Original pull request #2074

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/core/JdbcAggregateChangeExecutionContext.java

@@ -55,7 +55,7 @@ import org.springframework.util.Assert;
 class JdbcAggregateChangeExecutionContext {
 
 	private static final String UPDATE_FAILED = "Failed to update entity [%s]; Id [%s] not found in database";
-	private static final String UPDATE_FAILED_OPTIMISTIC_LOCKING = "Failed to update entity [%s]; The entity was updated since it was rea or it isn't in the database at all";
+	private static final String UPDATE_FAILED_OPTIMISTIC_LOCKING = "Failed to update entity [%s]; The entity was updated since it was read or it isn't in the database at all";
 
 	private final RelationalMappingContext context;
 	private final JdbcConverter converter;