pre-indent the eo auto-translation script

docs/I18N.md

@@ -52,11 +52,12 @@ the house. Strings are from `resources/static/i18n` JSON files.
 If code is evaluated in your head, then clearly we are post-singularity. Why are you
 still using gettext?
 
-Use the eo locale for development and debugging. It is auto-translated with:
-for catalog in messages client; do
-  echo "Translating ${catalog}.po"
-  podebug --rewrite=flipped -i locale/templates/LC_MESSAGES/${catalog}.pot -o locale/eo/LC_MESSAGES/${catalog}.po
-done
+Use the `eo` locale for development and debugging. It is auto-translated with:
+
+    for catalog in messages client; do
+      echo "Translating ${catalog}.po"
+      podebug --rewrite=flipped -i locale/templates/LC_MESSAGES/${catalog}.pot -o locale/eo/LC_MESSAGES/${catalog}.po
+    done
 
 ## New Locales