3 files changed, 11 insertions, 14 deletions
diff --git a/Makefile b/Makefile
index 8cc268c..f66e648 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,7 @@
+# edit source code from: 
+# https://github.com/BlueCannonBall/XAim
+# https://git.suckless.org/dwm
+
 CC = gcc
 CFLAGS = -g -Wall -lX11
 PREFIX = /usr/local
diff --git a/README.md b/README.md
index 6efa4ae..ad0f4ad 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,5 @@
-# in development
-
-# references
-
-## xcross.c
-
-<https://github.com/gvalkov/xrectsel>
-
-## Makefile
-
-<https://github.com/BlueCannonBall/XAim>
-
-<https://git.suckless.org/dwm>
+build and install
+```
+make
+sudo make install
+```
diff --git a/xcross.c b/xcross.c
index 0f7f989..a9819bb 100644
--- a/xcross.c
+++ b/xcross.c
@@ -1,4 +1,5 @@
-// edit source code from: https://github.com/gvalkov/xrectsel
+// edit source code from:
+// https://github.com/gvalkov/xrectsel
 
 //#include <stdio.h>
 #include <X11/Xlib.h>