diff --git a/i18n/et.json b/i18n/et.json
index a0ed880ec..3e7da4cec 100644
--- a/i18n/et.json
+++ b/i18n/et.json
@@ -9,6 +9,7 @@
 	"multimediaviewer-desc-nil": "Kirjeldus pole saadaval.",
 	"multimediaviewer-pref": "Failivaatur",
 	"multimediaviewer-pref-desc": "Täienda meediafailide vaatamise võimalusi selle uue tööriistaga. See võimaldab kuvada pisipiltidega lehekülgedel pildid suuremana. Pilte saab näidata kenamas täisekraaniliideses ja ka täissuuruses.",
+	"multimediaviewer-optin-pref": "Kasuta uut meediafailide vaatamise vahendit",
 	"multimediaviewer-file-page": "Mine failileheküljele",
 	"multimediaviewer-repository": "Lisateave asukohas $1",
 	"multimediaviewer-repository-local": "Lisateave",
diff --git a/i18n/qqq.json b/i18n/qqq.json
index 785d09f6a..c2851e1dd 100644
--- a/i18n/qqq.json
+++ b/i18n/qqq.json
@@ -88,8 +88,8 @@
 	"multimediaviewer-embed-via": "Source information (e. g. \"via Flickr\"), used when generating wikitext/HTML to reuse the image.\n$1 is source (probably a website or institution name)",
 	"multimediaviewer-default-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail without explicit size.",
 	"multimediaviewer-original-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail with the original (full) size.\n* $1 - thumbnail dimensions, defined by the following message:\n** {{msg-mw|Multimediaviewer-embed-dimensions}}",
-	"multimediaviewer-large-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail with small size.\n* $1 - thumbnail dimensions, defined by the following message:\n** {{msg-mw|Multimediaviewer-embed-dimensions}}",
-	"multimediaviewer-medium-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail with medium size.\n* $1 - thumbnail dimensions, defined by the following message:\n** {{msg-mw|Multimediaviewer-embed-dimensions}}",
+	"multimediaviewer-large-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail with small size.\n* $1 - thumbnail dimensions, defined by the following message:\n** {{msg-mw|Multimediaviewer-embed-dimensions}}\n{{Identical|Large}}",
+	"multimediaviewer-medium-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail with medium size.\n* $1 - thumbnail dimensions, defined by the following message:\n** {{msg-mw|Multimediaviewer-embed-dimensions}}\n{{Identical|Medium}}",
 	"multimediaviewer-small-embed-dimensions": "Text of size selector option which will generate wikitext for a thumbnail with large size.\n* $1 - thumbnail dimensions, defined by the following message:\n** {{msg-mw|Multimediaviewer-embed-dimensions}}\n\n{{Identical|Small}}",
 	"multimediaviewer-embed-dimensions": "Dimensions for a given size selector option which will generate wikitext for a thumbnail.\n* $1 - width in pixels\n* $2 - height in pixels",
 	"multimediaviewer-embed-dimensions-separated": "Wraps the dimensions with a separator styled the same way, for the embed tab.\n* $1 - image dimensions\n\nSee also:\n* {{msg-mw|Multimediaviewer-embed-dimensions}}",
diff --git a/i18n/sr-ec.json b/i18n/sr-ec.json
index f8f09f2b9..1a948446e 100644
--- a/i18n/sr-ec.json
+++ b/i18n/sr-ec.json
@@ -4,6 +4,7 @@
 			"Milicevic01"
 		]
 	},
+	"multimediaviewer-desc-nil": "Опис није доступан.",
 	"multimediaviewer-repository-local": "Сазнајте више",
 	"multimediaviewer-datetime-created": "Направљено $1",
 	"multimediaviewer-datetime-uploaded": "Послато $1",
@@ -14,6 +15,7 @@
 	"multimediaviewer-permission-title": "Детаљи лиценце",
 	"multimediaviewer-permission-link": "види услове",
 	"multimediaviewer-permission-viewmore": "Прикажи још",
+	"multimediaviewer-discuss-mmv": "Расправа",
 	"multimediaviewer-help-mmv": "Помоћ",
 	"multimediaviewer-geolocation": "Локација: $1",
 	"multimediaviewer-fileusage-count": "Користи се у $1 {{PLURAL:$1|страници|странице|страница}}",
@@ -26,6 +28,7 @@
 	"multimediaviewer-share-tab": "Дели",
 	"multimediaviewer-embed-tab": "Угради",
 	"multimediaviewer-download-tab": "Преузми",
+	"multimediaviewer-download-preview-link-title": "Прегледај у веб прегледачу",
 	"multimediaviewer-download-original-button-name": "Преузми у оригиналној величини",
 	"multimediaviewer-download-small-button-name": "Преузми у малој величини",
 	"multimediaviewer-download-medium-button-name": "Преузми у средњој величини",
@@ -33,6 +36,7 @@
 	"multimediaviewer-embed-wt": "Викитекст",
 	"multimediaviewer-embed-html": "HTML",
 	"multimediaviewer-embed-explanation": "Користите овај код да уградите датотеку",
+	"multimediaviewer-default-embed-dimensions": "Подразумевана величина",
 	"multimediaviewer-original-embed-dimensions": "Оригинална величина $1",
 	"multimediaviewer-large-embed-dimensions": "Велика $1",
 	"multimediaviewer-medium-embed-dimensions": "Средња $1",