diff --git a/lang/gpxsee_hu.ts b/lang/gpxsee_hu.ts
index cd13659d..ed0a00a8 100644
--- a/lang/gpxsee_hu.ts
+++ b/lang/gpxsee_hu.ts
@@ -109,7 +109,7 @@
     <message>
         <location filename="../src/data/data.cpp" line="143"/>
         <source>OV2 files</source>
-        <translation type="unfinished"></translation>
+        <translation>OV2 fájlok</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="144"/>
@@ -836,6 +836,7 @@
         <source>%n files</source>
         <translation>
             <numerusform>%n fájl</numerusform>
+            <numerusform>%n fájl</numerusform>
         </translation>
     </message>
 </context>
diff --git a/lang/gpxsee_ru.ts b/lang/gpxsee_ru.ts
index 1c6f40b0..5ab9e601 100644
--- a/lang/gpxsee_ru.ts
+++ b/lang/gpxsee_ru.ts
@@ -109,7 +109,7 @@
     <message>
         <location filename="../src/data/data.cpp" line="143"/>
         <source>OV2 files</source>
-        <translation type="unfinished"></translation>
+        <translation>OV2 файлы</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="144"/>
diff --git a/lang/gpxsee_sv.ts b/lang/gpxsee_sv.ts
index c956a471..81f88ce8 100644
--- a/lang/gpxsee_sv.ts
+++ b/lang/gpxsee_sv.ts
@@ -109,7 +109,7 @@
     <message>
         <location filename="../src/data/data.cpp" line="143"/>
         <source>OV2 files</source>
-        <translation type="unfinished"></translation>
+        <translation>OV2-filer</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="144"/>
diff --git a/lang/gpxsee_tr.ts b/lang/gpxsee_tr.ts
index 4ca48d1e..29a9c9cf 100644
--- a/lang/gpxsee_tr.ts
+++ b/lang/gpxsee_tr.ts
@@ -54,7 +54,7 @@
     <message>
         <location filename="../src/data/data.cpp" line="132"/>
         <source>CSV files</source>
-        <translation>CSV dosyalar</translation>
+        <translation>CSV dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="133"/>
@@ -64,12 +64,12 @@
     <message>
         <location filename="../src/data/data.cpp" line="134"/>
         <source>FIT files</source>
-        <translation>FIT dosyalar</translation>
+        <translation>FIT dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="135"/>
         <source>GeoJSON files</source>
-        <translation>GeoJSON dosyalar</translation>
+        <translation>GeoJSON dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="136"/>
@@ -79,57 +79,57 @@
     <message>
         <location filename="../src/data/data.cpp" line="137"/>
         <source>GPX files</source>
-        <translation>GPX dosyalar</translation>
+        <translation>GPX dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="138"/>
         <source>IGC files</source>
-        <translation>IGC dosyalar</translation>
+        <translation>IGC dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="139"/>
         <source>JPEG images</source>
-        <translation>JPEG görüntüler</translation>
+        <translation>JPEG görüntüleri</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="140"/>
         <source>KML files</source>
-        <translation>KML dosyalar</translation>
+        <translation>KML dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="141"/>
         <source>LOC files</source>
-        <translation>LOC dosyalar</translation>
+        <translation>LOC dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="142"/>
         <source>NMEA files</source>
-        <translation>NMEA dosyalar</translation>
+        <translation>NMEA dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="143"/>
         <source>OV2 files</source>
-        <translation type="unfinished"></translation>
+        <translation>OV2 dostaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="144"/>
         <source>OziExplorer files</source>
-        <translation>OziExplorer dosyalar</translation>
+        <translation>OziExplorer dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="145"/>
         <source>SLF files</source>
-        <translation>SLF dosyalar</translation>
+        <translation>SLF dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="146"/>
         <source>SML files</source>
-        <translation>SML dosyalar</translation>
+        <translation>SML dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="147"/>
         <source>TCX files</source>
-        <translation>TCX dosyalar</translation>
+        <translation>TCX dosyaları</translation>
     </message>
     <message>
         <location filename="../src/data/data.cpp" line="148"/>
@@ -288,7 +288,7 @@
         <location filename="../src/GUI/gui.cpp" line="221"/>
         <location filename="../src/GUI/gui.cpp" line="726"/>
         <source>About GPXSee</source>
-        <translation>Hakkında GPXSee</translation>
+        <translation>GPXSee hakkında</translation>
     </message>
     <message>
         <location filename="../src/GUI/gui.cpp" line="226"/>