diff --git a/modules/history/README.md b/modules/history/README.md
index cb1ff94..158f20c 100644
--- a/modules/history/README.md
+++ b/modules/history/README.md
@@ -3,8 +3,8 @@ History
 
 Sets [history][1] options and defines history aliases.
 
-VARIBLES
---------
+VARIABLES
+---------
 
  - `HISTFILE` the file to save the history in when an interactive shell exits.
  - `HISTSIZE` the maximum size of the history list.
@@ -25,12 +25,12 @@ Options
  - `HIST_SAVE_NO_DUPS` do not write duplicate entries in the history file.
  - `HIST_REDUCE_BLANKS` remove superfluous blanks before recording entry.
  - `HIST_VERIFY` do not execute immediately upon history expansion.
- - `HIST_BEEP` beep when accessing nonexistent history.
+ - `HIST_BEEP` beep when accessing non-existent history.
 
 Aliases
 -------
 
- - `history-stat` lists the ten most used commands
+ - `history-stat` list the ten most used commands
 
 Authors
 -------
diff --git a/modules/history/init.zsh b/modules/history/init.zsh
index 432184e..c54e63a 100644
--- a/modules/history/init.zsh
+++ b/modules/history/init.zsh
@@ -1,5 +1,5 @@
 #
-# Sets history options.
+# Sets history options and defines history aliases.
 #
 # Authors:
 #   Robby Russell <robby@planetargon.com>
@@ -11,18 +11,18 @@ HISTSIZE=10000
 SAVEHIST=10000
 
 setopt BANG_HIST                 # Treat the '!' character specially during expansion.
-setopt EXTENDED_HISTORY          # Write the history file in the ":start:elapsed;command" format.
+setopt EXTENDED_HISTORY          # Write the history file in the ':start:elapsed;command' format.
 setopt INC_APPEND_HISTORY        # Write to the history file immediately, not when the shell exits.
 setopt SHARE_HISTORY             # Share history between all sessions.
 setopt HIST_EXPIRE_DUPS_FIRST    # Expire duplicate entries first when trimming history.
-setopt HIST_IGNORE_DUPS          # Don't record an entry that was just recorded again.
+setopt HIST_IGNORE_DUPS          # Do not record an entry that was just recorded again.
 setopt HIST_IGNORE_ALL_DUPS      # Delete old recorded entry if new entry is a duplicate.
 setopt HIST_FIND_NO_DUPS         # Do not display a line previously found.
-setopt HIST_IGNORE_SPACE         # Don't record an entry starting with a space.
-setopt HIST_SAVE_NO_DUPS         # Don't write duplicate entries in the history file.
+setopt HIST_IGNORE_SPACE         # Do not record an entry starting with a space.
+setopt HIST_SAVE_NO_DUPS         # Do not write duplicate entries in the history file.
 setopt HIST_REDUCE_BLANKS        # Remove superfluous blanks before recording entry.
-setopt HIST_VERIFY               # Don't execute immediately upon history expansion.
-setopt HIST_BEEP                 # Beep when accessing nonexistent history.
+setopt HIST_VERIFY               # Do not execute immediately upon history expansion.
+setopt HIST_BEEP                 # Beep when accessing non-existent history.
 
 # Aliases