diff --git a/res/install_local_mac b/res/install_local_mac
index bf517cc..5f9376c 100755
--- a/res/install_local_mac
+++ b/res/install_local_mac
@@ -1,4 +1,6 @@
 #!/bin/bash
+# Use this script to install the library directy from the git clone.
+
 
 if [[ -d /Applications/Arduino.app ]]
 then
diff --git a/res/install_mac b/res/install_mac
index 9eaeac1..4e6659a 100755
--- a/res/install_mac
+++ b/res/install_mac
@@ -1,10 +1,20 @@
 #!/bin/bash
+# This script installs the Arduino MIDI Library into the Arduino application, 
+# so that every sketch can include it directly, without having to copy anything.
+#
+# To install the library, run this script by double-clicking it,
+# it should be directly executable and seen as such by Mac OS X.
+# If not, open a terminal, cd to the script location, and run ./install_mac
+# 
+# Open the Arduino IDE, and you're ready to go!
+
+# The script assumes the Arduino application
+# is installed in the default location.
 
 if [[ -d /Applications/Arduino.app ]]
 then
     
     # Define locations
-    
     lib_path=/Applications/Arduino.app/Contents/Resources/Java/libraries/MIDI
     
     if [[ -d $lib_path ]]
diff --git a/res/packaging b/res/packaging
index dbad4b8..33ee9c3 100755
--- a/res/packaging
+++ b/res/packaging
@@ -1,4 +1,13 @@
 #!/bin/bash
+# 
+# Generate an archive with packaged content for easier delivery.
+# The generated archive contains:
+#   - Source files (MIDI.cpp / MIDI.h)
+#   - Resources (keywords.txt)
+#   - Documentation (Doxygen)
+#   - Examples for Arduino IDE
+#   - Installation scripts
+
 
 # Create a temporary destination folder
 mkdir -p temp/doc