Fix README sizes
diff --git a/README.md b/README.md
index 4ac5e34..028cdfe 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 * sky130_sram_1kbyte_1rw_32x256_8
 * sky130_sram_2kbyte_1rw_32x512_8
 * sky130_sram_4kbyte_1rw_32x1024_8
-* sky130_sram_8kbyte_1rw_32x512_8
+* sky130_sram_4kbyte_1rw_32x512_8
 * sky130_sram_8kbyte_1rw_64x1024_8
 
 # Test Modes