diff --git a/docs/graphics/options_developer_tia.png b/docs/graphics/options_developer_tia.png
index 847f035db..21376b14b 100644
Binary files a/docs/graphics/options_developer_tia.png and b/docs/graphics/options_developer_tia.png differ
diff --git a/src/emucore/tia/Playfield.cxx b/src/emucore/tia/Playfield.cxx
index 37fa633d4..3a8957bb5 100644
--- a/src/emucore/tia/Playfield.cxx
+++ b/src/emucore/tia/Playfield.cxx
@@ -255,13 +255,13 @@ uInt8 Playfield::getColor() const
       }
       else
       {
-        if(myX >= TIAConstants::H_PIXEL - 16)
-          return myDebugColor - 2;  // PF0
-        if(myX >= TIAConstants::H_PIXEL - 48)
+        if(myX < TIAConstants::H_PIXEL / 2 + 32)
+          return myDebugColor - 2;  // PF2
+        if(myX < TIAConstants::H_PIXEL / 2 + 64)
           return myDebugColor;      // PF1
       }
     }
-    return myDebugColor + 2;        // PF2
+    return myDebugColor + 2;        // PF2/PF0
   }
 }
 
diff --git a/src/gui/DeveloperDialog.cxx b/src/gui/DeveloperDialog.cxx
index d8f57380c..4c2854c71 100644
--- a/src/gui/DeveloperDialog.cxx
+++ b/src/gui/DeveloperDialog.cxx
@@ -297,7 +297,8 @@ void DeveloperDialog::addTiaTab(const GUI::Font& font)
   wid.push_back(myPFColorWidget);
 
   myPFScoreWidget = new CheckboxWidget(myTab, font, myPFColorWidget->getRight() + +fontWidth() * 2.5,
-                                       ypos + 1, "Score");
+                                       ypos + 1, "Score color");
+  myPFScoreWidget->setToolTip("In score mode, playfield color gets updated one pixel early.");
   wid.push_back(myPFScoreWidget);
   ypos += lineHeight + VGAP * 1;