diff --git a/hosts b/hosts
index b7a87ae..fb594fa 100755
--- a/hosts
+++ b/hosts
@@ -224,8 +224,8 @@ _contains() {
 #   _download_from <url> [<outfile>]
 #
 # Description:
-#   Download the file at <url> and print to standard output or <outfile>, if
-#   present. Uses `curl` if available, falling back to `wget`.
+#   Download the file at <url> and print to standard output or <outfile>.
+#   Uses `curl` if available, falling back to `wget`.
 _download_from() {
   local _downloaded=0
   local _target_path="${2:-}"
@@ -350,6 +350,9 @@ _print_entries() {
 
 # _verify_write_permissions
 #
+# Usage:
+#   _verify_write_permissions
+#
 # Print a helpful error message when the specified operation can't be
 # performed due to the lack of write permissions. If `$_AUTO_SUDO` is enabled,
 # then run the command with sudo and exit with the command's exit value.
@@ -1064,6 +1067,11 @@ disable() {
   else
     _debug printf "disable() \${_search_string}: %s\\n" "${_search_string}"
 
+    # Regular Expression Notes
+    #
+    # - Note double periods in regular expression in order to emulate /.+/,
+    #   which apparently doesn't work properly with all versions of sed.
+
     local _regex_ip
     _regex_ip="^\\(${_search_string}[${_TAB_SPACE_}]..*\\)$"
 
@@ -1073,10 +1081,6 @@ disable() {
     local _regex_hostname
     _regex_hostname="^\\([^#]..*[${_TAB_SPACE_}]${_search_string}\\)$"
 
-    # Regular Expression Notes
-    #
-    # - Note double periods in regular expression in order to emulate /.+/,
-    #   which apparently doesn't work properly with all versions of sed.
     local _targets
     _targets=$(
       sed -n                                      \
@@ -1166,6 +1170,7 @@ enable() {
     #
     # - Note double periods in regular expression in order to emulate /.+/,
     #   which apparently doesn't work properly with all versions of sed.
+
     local _regex_ip
     _regex_ip="^\\#disabled: \\(${_search_string}[${_TAB_SPACE_}]..*\\)$"
 
@@ -1239,7 +1244,6 @@ Description:
   be printed.
 HEREDOC
 list() {
-  # Get the disabled records up front for the two cases where they are needed.
   local _disabled_records
   _disabled_records=$(
     sed -n "s/^\\#disabled: \\(.*\\)$/\\1/p" "${HOSTS_PATH}"
@@ -1257,10 +1261,11 @@ list() {
       show "${1}"
     fi
   else
-    # NOTE: use separate expressions since using a | for the or results in
+    # NOTE: use separate expressions since using `|` for the 'or' results in
     # inconsistent behavior.
     local _enabled_records
     _enabled_records="$(grep -v -e '^$' -e '^\s*\#' "${HOSTS_PATH}")"
+
     _print_entries "${_enabled_records:-}"
 
     if [[ -n "${_disabled_records:-}" ]]
@@ -1341,7 +1346,7 @@ remove() {
   #
   # Note double periods in regular expression in order to emulate /.+/,
   # which apparently doesn't work properly with all versions of sed.
-  #
+
   # IP / Hostname pair regular expressions:
   local _regex_ip_hostname_commented
   _regex_ip_hostname_commented="^\\(${_search_ip}[${_TAB_SPACE_}]*${_search_hostname}[${_TAB_SPACE_}]..*\\)$"