fix text in Revolute Sample

Author: ikpil

src/Box2D.NET.Samples/Samples/Joints/RevoluteJoint.cs

@@ -204,15 +204,15 @@ public override void Draw(Settings settings)
         base.Draw(settings);
 
         float angle1 = b2RevoluteJoint_GetAngle(m_jointId1);
-        m_context.draw.DrawString(5, m_textLine, $"Angle (Deg) 1 = {angle1:2,F1}");
+        m_context.draw.DrawString(5, m_textLine, $"Angle (Deg) 1 = {angle1:F1}");
         m_textLine += m_textIncrement;
 
         float torque1 = b2RevoluteJoint_GetMotorTorque(m_jointId1);
-        m_context.draw.DrawString(5, m_textLine, $"Motor Torque 1 = {torque1:4,F1}");
+        m_context.draw.DrawString(5, m_textLine, $"Motor Torque 1 = {torque1:F1}");
         m_textLine += m_textIncrement;
 
         float torque2 = b2RevoluteJoint_GetMotorTorque(m_jointId2);
-        m_context.draw.DrawString(5, m_textLine, $"Motor Torque 2 = {torque2:4,F1}");
+        m_context.draw.DrawString(5, m_textLine, $"Motor Torque 2 = {torque2:F1}");
         m_textLine += m_textIncrement;
     }
 }