Set zsh HISTSIZE

Apparently this is different from SAVEHIST

.zsh/config.zsh

@@ -13,6 +13,7 @@ zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}'
 
 REPORTTIME=5
 HISTFILE="${HOME}/.zhistory"
+HISTSIZE=1000
 SAVEHIST=10000
 
 setopt inc_append_history