diff --git a/files/data/l10n/Interface/pl.yaml b/files/data/l10n/Interface/pl.yaml
index 4d9c3d874a..3b0c871e2e 100644
--- a/files/data/l10n/Interface/pl.yaml
+++ b/files/data/l10n/Interface/pl.yaml
@@ -1,41 +1,41 @@
 DurationDay: |-
   {days, plural,
-    one{{days} dzień }
-    other{{days} dni }
-    few{{days} dni }
-    many{{days} dni }
+    one{{days} d. }
+    other{{days} d. }
+    few{{days} d. }
+    many{{days} d. }
   }
 
 DurationHour: |-
   {hours, plural,
-    one{{hours} godzina }
-    other{{hours} godzin }
-    few{{hours} godziny }
-    many{{hours} godzin }
+    one{{hours} godz. }
+    other{{hours} godz. }
+    few{{hours} godz. }
+    many{{hours} godz. }
   }
 
 DurationMinute: |-
   {minutes, plural,
-    one{{minutes} minuta }
-    other{{minutes} minut }
-    few{{minutes} minuty }
-    many{{minutes} minut }
+    one{{minutes} min }
+    other{{minutes} min }
+    few{{minutes} min }
+    many{{minutes} min }
   }
 
 DurationSecond: |-
   {seconds, plural,
-    one{{seconds} sekunda }
-    other{{seconds} sekund }
-    few{{seconds} sekundy }
-    many{{seconds} sekund }
+    one{{seconds} s }
+    other{{seconds} s }
+    few{{seconds} s }
+    many{{seconds} s }
   }
 
 DurationMonth: |-
   {months, plural,
-    one{{months} miesiąc }
-    other{{months} miesięcy }
-    few{{months} miesiące }
-    many{{months} miesięcy }
+    one{{months} mies. }
+    other{{months} mies. }
+    few{{months} mies. }
+    many{{months} mies. }
   }
 
 DurationYear: |-
diff --git a/files/lang/launcher_pl.ts b/files/lang/launcher_pl.ts
index 1a2fda741e..b2a78cddb8 100644
--- a/files/lang/launcher_pl.ts
+++ b/files/lang/launcher_pl.ts
@@ -224,7 +224,7 @@
     </message>
     <message>
         <source>Fullscreen</source>
-        <translation>Pełny Ekran</translation>
+        <translation>Pełny ekran</translation>
     </message>
     <message>
         <source>Windowed Fullscreen</source>