diff --git a/README.md b/README.md
index 29ea362b5e07cecbbea442ff195137fb27d48cdb..969d24c6030d3ed5b582610e6b168574a2ad45cf 100644
--- a/README.md
+++ b/README.md
@@ -3,38 +3,42 @@ Geomag Algorithms
 
 Geomag algorithms includes tools to fetch, process, and output geomag data.
 
-### [Install](readme_dependency_install.md) ###
-First time install. Walk through dependencies and other considerations.
+## Supported Formats ##
 
-### [Develop](readme_develop_install.md) ###
-Development dependencies discussed here. Project is built with Grunt and Node
-and is written primarily in Python 2.7.
+### [Edge](readme_io.md#edge) ###
 
-### [Usage](readme_usage.md) ###
-Details and examples for proper usage. This will help you get started quickly.
+Use an Edge server for data input.
 
-Basic usage:
+### [IAGA](readme_io.md#iaga2002)###
 
-  - Use the main script, `geomag.py -h`
-  - In python scripts, `import geomagio`
+Use IAGA2002 formatted files for input and/or output.
+
+### [PCDCP](readme_io.md#) ###
+
+Use PCDCP formatted files for input and/or output.
 
-Supported Algorithms
---------------------
 
-### [XYZ Algorithm](./docs/XYZ_usage.md) ###
+---
+## Supported Algorithms ##
+
+### [XYZ](./docs/XYZ_usage.md) ###
+Rotate data between coordinate systems. From HEZ or HDZ to XYZ and back.
 
 
 ---
-Coding Standards
-----------------
+## Getting Started ##
 
-This project adheres to PEP8 standards in most cases:
-    https://www.python.org/dev/peps/pep-0008
+### [Install](readme_dependency_install.md) ###
+First time install. Walk through dependencies and other considerations.
 
-### PEP8 Exceptions ###
+### [Use](readme_usage.md) ###
+Details and examples for proper usage. Get started quickly.
 
-- Hanging/Visual indents (E126, E127, E128, E131)
+Basic usage:
 
-    - line continuations should use two indentations (8 spaces).
-    - do not use visual indents.
+  - Use the main script, `geomag.py -h`
+  - In python scripts, `import geomagio`
 
+### [Develop](readme_develop_install.md) ###
+Development dependencies discussed here. Project is built with Grunt and Node
+and is written primarily in Python 2.7.
diff --git a/docs/XYZ_usage.md b/docs/XYZ_usage.md
index 987313bcd7c124d2c4d510478ff5ecc11441b866..aa0fd9187f2a92013ce66b9a39358dc07771f7e4 100644
--- a/docs/XYZ_usage.md
+++ b/docs/XYZ_usage.md
@@ -13,7 +13,7 @@ There are 3 reference frames in this library.
 
  - 'geo':  ['X', 'Y', 'Z', 'F']
 
-#### Magnetic of cylindrical ####
+#### Magnetic or cylindrical ####
 
  - `mag` is HDZ
 
@@ -42,7 +42,7 @@ March 2013 output to iaga2002 files:
 > and d,D. This mirrors the various data formats, (ie IAGA2002, etc).
 
 The underlying library provides calculations for both the basic conversions,
-such as get_get_y_from_mag, which is based off of Y = H sin(D), and higher
+such as get_geo_y_from_mag, which is based off of Y = H sin(D), and higher
 level conversions, such as get_geo_from_mag. (Which converts HD to XY).
 These are provided by `geomagio.ChannelConverter`.
 
diff --git a/readme_develop_install.md b/readme_develop_install.md
index e823d06758e2edf9227d021453ecafca0652a4c0..d787ec861fea21e64dda35180b02672cde0dfaf5 100644
--- a/readme_develop_install.md
+++ b/readme_develop_install.md
@@ -42,6 +42,20 @@ Begin Developing
 [Node]: http://nodejs.org/download/
 
 
+---
+### Coding Standards ###
+
+This project adheres to PEP8 standards in most cases:
+    https://www.python.org/dev/peps/pep-0008
+
+### PEP8 Exceptions ###
+
+- Hanging/Visual indents (E126, E127, E128, E131)
+
+    - line continuations should use two indentations (8 spaces).
+    - do not use visual indents.
+
+
 ---
 ### Add an SSH Key to GitHub ###
 
@@ -65,3 +79,4 @@ Begin Developing
 7. Click **Add SSH key**. Give it a meaningful title.
 
 8. Copy your SSH Key into the Key, and click **Add key**.
+