doc: improve sentence
see
@@ -84,7 +84,7 @@ You have some options to avoid running them as root:
3. Compile Elektra so that system paths are not actual system paths, e.g. to write everything into
the home directory (`~`) use cmake options:
`-DKDB_DB_SYSTEM="~/.config/kdb/system" -DKDB_DB_SPEC="~/.config/kdb/spec"`
- (for another example with ini see `scripts/configure-home`)
+ (for an example of a full CMake invocation see `scripts/configure-home`)
4. Use the XDG resolver (see `scripts/configure-xdg`) and set
the environment variable `XDG_CONFIG_DIRS`, currently lacks `spec` namespaces, see #734.
