Fix space for playtime label

src/android/app/src/main/res/values/strings.xml

@@ -687,7 +687,7 @@
     <string name="copy_details">Copy details</string>
     <string name="add_ons">Add-ons</string>
     <string name="add_ons_description">Toggle mods, updates and DLC</string>
-    <string name="playtime">Playtime:</string>
+    <string name="playtime">Playtime: </string>
     <string name="reset_playtime">Clear Playtime</string>
     <string name="reset_playtime_description">Reset the current game\'s playtime back to 0 seconds</string>
     <string name="reset_playtime_warning_description">This will clear the current game\'s playtime data. Are you sure?</string>