diff --git a/README.md b/README.md
index 721ce62..acda54a 100644
--- a/README.md
+++ b/README.md
@@ -110,7 +110,7 @@ December 2017 at above of CLASS 3 quality, $126 per
 board. [PCBWAY](http://www.pcbway.com) produced [ULX3S v1.8 85F](/pic/ulx3sb-v18.jpg) in 
 May 2018 at the edge of CLASS 1 quality acceptance
 (drill randomness and copper layer
-misaligment, [hole breakout about 180°](/pic/breakout-180deg-c19-angles.png)),
+misaligment, [hole breakout about 180°](/pic/ulx3sb-v18-breakout-c19.png)),
 $134 per board. [PCBWAY](http://www.pcbway.com) is cheap at boards and assembly but charged 
 $40 for FPGA 85F chip which costed about $30 on [Mouser](http://www.mouser.com) at
 that time.
diff --git a/pic/breakout-180deg-c19-angles.png b/pic/ulx3sb-v18-breakout-c19.png
similarity index 100%
rename from pic/breakout-180deg-c19-angles.png
rename to pic/ulx3sb-v18-breakout-c19.png