'plugins/z/z.1: Solve typos'

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

plugins/z/z.1

@@ -151,7 +151,7 @@ directory trees to exclude from tracking. \fB$HOME\fR is always excluded.
 Directories must be full paths without trailing slashes.
 .P
 The environment variable \fB$_Z_OWNER\fR can be set to your username, to
-allow usage of \fBz\fR when your sudo enviroment keeps \fB$HOME\fR set.
+allow usage of \fBz\fR when your sudo environment keeps \fB$HOME\fR set.
 .SH
 FILES
 Data is stored in \fB$HOME/.z\fR. This can be overridden by setting the