Fixed Spelling.
diff --git a/empire-db/src/main/java/org/apache/empire/db/DBCommand.java b/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
index 9599bf0..c76ba31 100644
--- a/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
+++ b/empire-db/src/main/java/org/apache/empire/db/DBCommand.java
@@ -810,7 +810,7 @@
* Adds a join based on a compare expression to the command.
*
* @param rowset table or view to join
- * @param cmp the compare expression with wich to join the table
+ * @param cmp the compare expression with which to join the table
* @param joinType type of join ({@link DBJoinType#INNER}, {@link DBJoinType#LEFT}, {@link DBJoinType#RIGHT})
* @return itself (this)
*/