Fix Grep command

fixes #296

Author: wuast94

zsh/.zsh_aliases

@@ -122,7 +122,7 @@ alias zh="fc -l -d -D"
 # My typical tyops.
 alias gerp='grep'
 alias grep-i='grep -i'
-alias grep='GREP_COLOR="1;37;41" LANG=C grep --color=auto'
+alias grep='GREP_COLORS="1;37;41" LANG=C grep --color=auto'
 alias grepi='grep -i'
 alias knfie='knife'
 alias maek='make'