UploadPack: Correct typo of negotiation in Javadoc

Change-Id: Ibab89fddda7ccfe3390348aa129ab2e5e3b7f538

org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java

@@ -682,7 +682,7 @@ public class UploadPack {
 	 * Get the PackWriter's statistics if a pack was sent to the client.
 	 *
 	 * @return statistics about pack output, if a pack was sent. Null if no pack
-	 *         was sent, such as during the negotation phase of a smart HTTP
+	 *         was sent, such as during the negotiation phase of a smart HTTP
 	 *         connection, or if the client was already up-to-date.
 	 * @since 3.0
 	 * @deprecated Use {@link #getStatistics()}.
@@ -697,7 +697,7 @@ public class UploadPack {
 	 * Get the PackWriter's statistics if a pack was sent to the client.
 	 *
 	 * @return statistics about pack output, if a pack was sent. Null if no pack
-	 *         was sent, such as during the negotation phase of a smart HTTP
+	 *         was sent, such as during the negotiation phase of a smart HTTP
 	 *         connection, or if the client was already up-to-date.
 	 * @since 4.1
 	 */