diff --git a/a1-3/diff.txt b/a1-3/diff.md
similarity index 73%
rename from a1-3/diff.txt
rename to a1-3/diff.md
index 8a0cdf8..7c206be 100644
--- a/a1-3/diff.txt
+++ b/a1-3/diff.md
@@ -1,5 +1,17 @@
-$ diff -s getrennt/world.o direkt/world.o
-Files getrennt/world.o and direkt/world.o are identical
+# Dateivergleiche
 
+## .o Dateien
+```
+$ diff -s getrennt/world.o direkt/world.o
+
+Files getrennt/world.o and direkt/world.o are identical
+```
+
+## Executables
+
+
+```
 $ diff -s getrennt/world direkt/world
+
 Files getrennt/world and direkt/world are identical
+```
\ No newline at end of file