Correct typos in completion module

modules/completion/init.zsh

@@ -24,7 +24,7 @@ autoload -Uz compinit && compinit -i
 setopt COMPLETE_IN_WORD    # Complete from both ends of a word.
 setopt ALWAYS_TO_END       # Move cursor to the end of a completed word.
 setopt PATH_DIRS           # Perform path search even on command names with slashes.
-setopt AUTO_MENU           # Show completion menu on a succesive tab press.
+setopt AUTO_MENU           # Show completion menu on a successive tab press.
 setopt AUTO_LIST           # Automatically list choices on ambiguous completion.
 setopt AUTO_PARAM_SLASH    # If completed parameter is a directory, add a trailing slash.
 unsetopt MENU_COMPLETE     # Do not autoselect the first completion entry.
@@ -34,7 +34,7 @@ unsetopt FLOW_CONTROL      # Disable start/stop characters in shell editor.
 # Styles
 #
 
-# Use caching to make completion for cammands such as dpkg and apt usable.
+# Use caching to make completion for commands such as dpkg and apt usable.
 zstyle ':completion::complete:*' use-cache on
 zstyle ':completion::complete:*' cache-path "${ZDOTDIR:-$HOME}/.zcompcache"