diff --git a/README.md b/README.md
index 6b1ebf7..620ed25 100644
--- a/README.md
+++ b/README.md
@@ -2,14 +2,41 @@
 
 # myfonts
 
+### Key modifications
+
+
+* Changed m i l % and others
+* No italic and oblique versions included by default
+* Changed font weights (e.g. "bold" has weight 500)
+
+See iosevka/private-build-plans.toml for details
+
 ### Build && Install
 
 ```
 ./build.sh
+./patch.sh
+```
+
+Instal on Mac
+```
 ./install_mac.sh
+# or 
+# cp -f -v build_dir/*.ttf ~/Library/Fonts/
+```
+
+vscode settings.json
+```
+...
+"editor.fontFamily": "Iosevka Nerd Font",
+"editor.fontWeight": "300",
+"editor.fontSize": 17,
+"editor.lineHeight": 22,
+...
 ```
 
 ### Links
 
 Build Iosevka font using docker
 https://github.com/ejuarezg/containers/tree/master/iosevka_font#container-method
+https://github.com/ryanoasis/nerd-fonts -- font patcher
diff --git a/build.sh b/build.sh
index 98b3d03..21e52f4 100755
--- a/build.sh
+++ b/build.sh
@@ -3,11 +3,13 @@
 set -e
 set -v
 
-(cd iosevka && docker build -t  iosevka_build . -f Dockerfile)
+(cd iosevka && docker build -t iosevka_build . -f Dockerfile)
 
 rm -rf build_dir
 mkdir -p build_dir
 
 cp iosevka/private-build-plans.toml build_dir/private-build-plans.toml
 
-docker run -it -v `pwd`/build_dir:/build iosevka_build ttf::iosevka-custom
+docker run -it \
+    -v $(pwd)/build_dir:/build \
+    iosevka_build ttf::iosevka-custom
diff --git a/install_mac.sh b/install_mac.sh
index 8c6d759..2e50951 100755
--- a/install_mac.sh
+++ b/install_mac.sh
@@ -3,5 +3,4 @@
 set -e
 set -v
 
-# find ~/Library/Fonts/ -name 'iosevka-custom*' -delete
-cp build_dir/dist/iosevka-custom/ttf/* ~/Library/Fonts/
+cp -f -v build_dir/*.ttf ~/Library/Fonts/