diff --git a/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt# b/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
index 5fc2a082..141f0cbb 100644
--- a/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
+++ b/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
@@ -1 +1 @@
-Michael Scholz,Michael,Michaels-MacBook-Pro.local,10.12.2012 17:19,file:///Users/Michael/Library/Application%20Support/OpenOffice.org/3;
\ No newline at end of file
+Michael Scholz,Michael,Michaels-MacBook-Pro.local,10.12.2012 18:18,file:///Users/Michael/Library/Application%20Support/OpenOffice.org/3;
\ No newline at end of file
diff --git a/ws2012/P2P/uebungen/7/exercise7_solution.odt b/ws2012/P2P/uebungen/7/exercise7_solution.odt
index 7df292d1..5cfe8025 100644
Binary files a/ws2012/P2P/uebungen/7/exercise7_solution.odt and b/ws2012/P2P/uebungen/7/exercise7_solution.odt differ