Fix typos in translation page (#242)

Author: katrinabrock

chapters/message_translations.qmd

@@ -34,8 +34,8 @@ new/updated translations.
 Each of the default packages distributed with R (i.e., those found in
 `./src/library` such as `base`, `utils`, and `stats` and which have
 priority base) contains a `po` directory. A `po` directory is the
-central location for ataloguing/translating each package's messages. It
-contains a template message file (`.pot`) for the corresponding ackage
+central location for cataloguing/translating each package's messages. It
+contains a template message file (`.pot`) for the corresponding package
 along with translated `.po` files (that are created using the template
 `.pot` file).