diff --git a/docs/source/using_yosys/synthesis/abc.rst b/docs/source/using_yosys/synthesis/abc.rst
index 0b24af3a1..ba12cabc1 100644
--- a/docs/source/using_yosys/synthesis/abc.rst
+++ b/docs/source/using_yosys/synthesis/abc.rst
@@ -176,5 +176,6 @@ implemented as whiteboxes too.
 Boxes are arguably the biggest advantage that ABC9 has over ABC: by being aware
 of carry chains and DSPs, it avoids optimising for a path that isn't the actual
 critical path, while the generally-longer paths result in ABC9 being able to
-reduce design area by mapping other logic to smaller-but-slower cells.
+reduce design area by mapping other logic to slower cells with greater logic
+density.