diff --git a/client/src/locale/player.cs-CZ.json b/client/src/locale/player.cs-CZ.json
index 92e7841be..1b9cd153e 100644
--- a/client/src/locale/player.cs-CZ.json
+++ b/client/src/locale/player.cs-CZ.json
@@ -7,7 +7,7 @@
     "peer": "peer",
     "Go to the video page": "Přejít na stránku s videem",
     "Settings": "Nastavení",
-    "Watching this video may reveal your IP address to others.": "Watching this video may reveal your IP address to others.",
+    "Watching this video may reveal your IP address to others.": "Sledování tohoto videa může ostatním odhalit vaši IP adresu.",
     "Copy the video URL": "Kopírovat URL adresu videa",
     "Copy the video URL at the current time": "Kopírovat URL adresu videa v aktuálním čase",
     "Copy embed code": "Kopírovat kód pro vložení na stránku",
@@ -15,23 +15,23 @@
     "Total downloaded: ": "Celkem stažených: ",
     "Total uploaded: ": "Celkem nahraných: ",
     "From servers: ": "Ze serverů: ",
-    "From peers: ": "From peers: ",
+    "From peers: ": "Od kolegů: ",
     "Normal mode": "Normal mode",
-    "Stats for nerds": "Stats for nerds",
-    "Theater mode": "Theater mode",
+    "Stats for nerds": "Statistiky pro nerdy",
+    "Theater mode": "Režim Divadlo",
     "Video UUID": "Video UUID",
-    "Viewport / Frames": "Viewport / Frames",
+    "Viewport / Frames": "Zobrazení / Rámy",
     "Resolution": "Rozlišení",
     "Volume": "Volume",
     "Codecs": "Kodeky",
     "Color": "Color",
     "Connection Speed": "Rychlost připojení",
-    "Network Activity": "Network Activity",
+    "Network Activity": "Síťová aktivita",
     "Total Transfered": "Celkem přeneseno",
     "Download Breakdown": "Download Breakdown",
     "Buffer Progress": "Buffer Progress",
-    "Buffer State": "Buffer State",
-    "Live Latency": "Live Latency",
+    "Buffer State": "Stav vyrovnávací paměti",
+    "Live Latency": "Zpoždění při živém přenosu",
     "  off": "  off",
     "Player mode": "Player mode",
     "Audio Player": "Hudební přehrávač",