diff --git a/src/args.rs b/src/args.rs
index 988f0a4..14c4a61 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -18,6 +18,8 @@ pub struct ArgError {
 }
 
 impl ArgError {
+    /// An ArgError represents an error in the user-supplied command
+    /// line arguments.
     pub fn new(err: impl fmt::Display) -> ArgError {
         ArgError {
             details: format!("{}", err),
diff --git a/src/color.rs b/src/color.rs
index d541566..e0d6fe0 100644
--- a/src/color.rs
+++ b/src/color.rs
@@ -30,6 +30,7 @@ macro_rules! color {
 ///   println!("{}Error: {}{}", color::Red, msg, color::Reset);
 macro_rules! define_color {
     ($color:ident, $code:literal) => {
+        #[allow(missing_docs)]
         pub struct $color;
         impl fmt::Display for $color {
             fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
diff --git a/src/config.rs b/src/config.rs
index 90f7410..96b686a 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -41,12 +41,18 @@ emoji no
 /// such as the UI mode (Print, Run, Raw, etc).
 #[derive(Debug)]
 pub struct Config {
+    /// Gopher URL to open on bare launch
     pub start: String,
+    /// Whether to use TLS or not
     pub tls: bool,
+    /// Using Tor proxy?
     pub tor: bool,
+    /// Wide mode
     pub wide: bool,
+    /// Render connection status as emoji
     pub emoji: bool,
-    pub mode: ui::Mode, // can't be set in conf file
+    /// UI mode. Can't be set in conf file.
+    pub mode: ui::Mode,
 }
 
 impl Default for Config {
diff --git a/src/gopher.rs b/src/gopher.rs
index d302edf..7261c00 100644
--- a/src/gopher.rs
+++ b/src/gopher.rs
@@ -25,6 +25,7 @@ pub use self::r#type::Type;
 /// Some Gopher servers can be kind of slow, we may want to up this or
 /// make it configurable eventually.
 pub const TCP_TIMEOUT_IN_SECS: u64 = 8;
+/// Based on `TCP_TIMEOUT_IN_SECS` but a `Duration` type.
 pub const TCP_TIMEOUT_DURATION: Duration = Duration::from_secs(TCP_TIMEOUT_IN_SECS);
 
 trait ReadWrite: Read + Write {}
diff --git a/src/gopher/type.rs b/src/gopher/type.rs
index ae76c76..1d05d6c 100644
--- a/src/gopher/type.rs
+++ b/src/gopher/type.rs
@@ -1,4 +1,5 @@
 /// Gopher types are defined according to RFC 1436.
+#[allow(missing_docs)]
 #[derive(Copy, Clone, PartialEq, Debug)]
 pub enum Type {
     Text,       // 0 | cyan
diff --git a/src/menu.rs b/src/menu.rs
index 05d0969..6dbf371 100644
--- a/src/menu.rs
+++ b/src/menu.rs
@@ -21,20 +21,34 @@ use termion::{clear, cursor};
 /// navigation" feature using number entry and the "incremental search"
 /// (over menu links) feature using text entry.
 pub struct Menu {
-    pub url: String,          // gopher url
-    pub lines: Vec<Line>,     // lines
-    pub links: Vec<usize>,    // links (index of line in lines vec)
-    pub longest: usize,       // size of the longest line
-    pub raw: String,          // raw response
-    pub input: String,        // user's inputted value
-    pub mode: ui::Mode,       // interactive or print mode?
-    pub link: usize,          // selected link
-    pub scroll: usize,        // scrolling offset
-    pub searching: bool,      // search mode?
-    pub tls: bool,            // retrieved via tls?
-    pub tor: bool,            // retrieved via tor?
-    pub size: (usize, usize), // cols, rows
-    pub wide: bool,           // in wide mode?
+    /// Gopher URL
+    pub url: String,
+    /// Lines in the menu. Not all are links.
+    pub lines: Vec<Line>,
+    /// Indexes of links in the `lines` vector. Pauper's pointers.
+    pub links: Vec<usize>,
+    /// Currently selected link. Index of the `links` vec.
+    pub link: usize,
+    /// Size of the longest line, for wrapping purposes
+    pub longest: usize,
+    /// Actual Gopher response
+    pub raw: String,
+    /// User input on a prompt() line
+    pub input: String,
+    /// UI mode. Interactive (Run), Printing, Raw mode...
+    pub mode: ui::Mode,
+    /// Scrolling offset, in rows.
+    pub scroll: usize,
+    /// Incremental search mode?
+    pub searching: bool,
+    /// Was this menu retrieved via TLS?
+    pub tls: bool,
+    /// Retrieved via Tor?
+    pub tor: bool,
+    /// Size of the screen currently, cols and rows
+    pub size: (usize, usize),
+    /// Wide mode?
+    pub wide: bool,
 }
 
 /// The Line represents a single line in a Gopher menu.
diff --git a/src/text.rs b/src/text.rs
index 0460c6f..549413b 100644
--- a/src/text.rs
+++ b/src/text.rs
@@ -12,15 +12,24 @@ use termion::clear;
 /// The Text View holds the raw Gopher response as well as information
 /// about which lines should currently be displayed on screen.
 pub struct Text {
+    /// Gopher URL
     url: String,
+    /// Gopher response
     raw_response: String,
-    scroll: usize,        // offset
-    lines: usize,         // # of lines
-    longest: usize,       // longest line
-    size: (usize, usize), // cols, rows
-    pub tls: bool,        // retrieved via tls?
-    pub tor: bool,        // retrieved via tor?
-    pub wide: bool,       // in wide mode? turns off margins
+    /// Current scroll offset, in rows
+    scroll: usize,
+    /// Number of lines
+    lines: usize,
+    /// Size of longest line
+    longest: usize,
+    /// Current screen size, cols and rows
+    size: (usize, usize),
+    /// Was this page retrieved view TLS?
+    pub tls: bool,
+    /// Retrieved via Tor?
+    pub tor: bool,
+    /// Currently in wide mode?
+    pub wide: bool,
 }
 
 impl fmt::Display for Text {
@@ -151,6 +160,7 @@ impl View for Text {
 }
 
 impl Text {
+    /// Create a Text View from a raw Gopher response and a few options.
     pub fn from(url: String, response: String, tls: bool, tor: bool) -> Text {
         let mut lines = 0;
         let mut longest = 0;
diff --git a/src/ui.rs b/src/ui.rs
index fa281d0..5532ce0 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -41,7 +41,10 @@ use termion::{
     terminal_size,
 };
 
+/// Alias for a termion Key event.
 pub type Key = termion::event::Key;
+
+/// Alias for either a Menu or Text View.
 pub type Page = Box<dyn View>;
 
 /// How many lines to jump by when using page up/down.
@@ -54,17 +57,25 @@ pub const MAX_COLS: usize = 77;
 /// UI is mainly concerned with drawing to the screen, managing the
 /// active Views/pages, and responding to user input.
 pub struct UI {
-    views: Vec<Page>,         // loaded views
-    focused: usize,           // currently focused view
-    dirty: bool,              // redraw?
-    running: bool,            // main ui loop running?
-    pub size: (usize, usize), // cols, rows
-    status: String,           // status message, if any
-    config: Config,           // user config
+    /// Current loaded Gopher views. Menu or Text
+    views: Vec<Page>,
+    /// Index of currently focused View
+    focused: usize,
+    /// Does the UI need to be entirely redrawn?
+    dirty: bool,
+    /// Is the UI running?
+    running: bool,
+    /// Size of screen (cols, rows)
+    pub size: (usize, usize),
+    /// Status message to display on screen, if any
+    status: String,
+    /// User config. Command line options + phetch.conf
+    config: Config,
     out: RefCell<RawTerminal<Stdout>>,
 }
 
 impl UI {
+    /// Create a new phetch application from a user provided config.
     pub fn new(config: Config) -> UI {
         let mut size = (0, 0);
         if let Ok((cols, rows)) = terminal_size() {