diff --git a/utils_doc/rna_manual_reference_updater.py b/utils_doc/rna_manual_reference_updater.py
index 7384ff8ae45d49c89ca47efcfc22aad72d065810..045c465baecdfbf28a6550069e5f46f6d0a13456 100644
--- a/utils_doc/rna_manual_reference_updater.py
+++ b/utils_doc/rna_manual_reference_updater.py
@@ -65,28 +65,31 @@ def write_mappings(inv, output):
     fw("    import os\n")
     fw("    language = os.getenv('LANG', '').split('.')[0]\n\n")
     fw("LANG = {\n")
-    # fw("\"ar_EG":         \"ar",\n")
-    # fw("\"bg_BG":         \"bg",\n")
-    # fw("\"ca_AD":         \"ca",\n")
-    # fw("\"cs_CZ":         \"cz",\n")
+    fw("\"ar_EG\":        \"ar\",\n")  # Arabic
+    # fw("\"bg_BG\":        \"bg\",\n")  # Bulgarian
+    # fw("\"ca_AD\":        \"ca\",\n")  # Catalan
+    # fw("\"cs_CZ\":        \"cz\",\n")  # Czech
     fw("\"de_DE\":        \"de\",\n")  # German
-    # fw("\"el_GR":         \"el",\n")
-    fw("\"ru_RU\":        \"ru\",\n")  # Russian
-    # fw("\"sr_RS":         \"sr",\n")
-    # fw("\"sv_SE":         \"sv",\n")
-    # fw("\"tr_TR":         \"th",\n")
-    fw("\"uk_UA\":        \"uk\",\n")  # Ukrainian
+    # fw("\"el_GR\":        \"el\",\n")  # Greek
     fw("\"es\":           \"es\",\n")  # Spanish
-    # fw("\"fi_FI":         \"fi",\n")
+    fw("\"fi_FI\":        \"fi\",\n")  # Finnish
     fw("\"fr_FR\":        \"fr\",\n")  # French
-    # fw("\"id_ID":         \"id",\n")
+    fw("\"id_ID\":        \"id\",\n")  # Indonesian
     fw("\"it_IT\":        \"it\",\n")  # Italian
     fw("\"ja_JP\":        \"ja\",\n")  # Japanese
     fw("\"ko_KR\":        \"ko\",\n")  # Korean
-    # fw("\"nl_NL":         \"nl",\n")
-    # fw("\"pl_PL":         \"pl",\n")
+    # fw("\"nb\":           \"nb\",\n")  # Norwegian
+    # fw("\"nl_NL\":        \"nl\",\n")  # Dutch
+    # fw("\"pl_PL\":        \"pl\",\n")  # Polish
     fw("\"pt_PT\":        \"pt\",\n")  # Portuguese
-    fw("\"pt_BR\":        \"pt\",\n")  # Portuguese - for until we have a pt_BR version
+    fw("\"pt_BR\":        \"pt\",\n")  # Portuguese - Brazil, for until we have a pt_BR version
+    fw("\"ru_RU\":        \"ru\",\n")  # Russian
+    fw("\"sk_SK\":        \"sk\",\n")  # Slovak
+    # fw("\"sl\":           \"sl\",\n")  # Slovenian
+    fw("\"sr_RS\":        \"sr\",\n")  # Serbian
+    # fw("\"sv_SE\":        \"sv\",\n")  # Swedish
+    # fw("\"tr_TR\":        \"th\",\n")  # Thai
+    fw("\"uk_UA\":        \"uk\",\n")  # Ukrainian
     fw("\"vi_VN\":        \"vi\",\n")  # Vietnamese
     fw("\"zh_CN\":        \"zh-hans\",\n")  # Simplified Chinese
     fw("\"zh_TW\":        \"zh-hant\",\n")  # Traditional Chinese