diff --git a/src/dexorder/base/orderlib.py b/src/dexorder/base/orderlib.py
index e17c932..0994178 100644
--- a/src/dexorder/base/orderlib.py
+++ b/src/dexorder/base/orderlib.py
@@ -375,11 +375,11 @@ class Tranche:
             if self.minLine.intercept or self.minLine.slope:
                 msg += f' >{self.minLine.intercept:.5g}'
                 if self.minLine.slope:
-                    msg += f'{self.minLine.slope:+.5g}/s({self.minLine.value():5g})'
+                    msg += f'{self.minLine.slope:+.5g}/s={self.minLine.value():5g}'
             if self.maxLine.intercept or self.maxLine.slope:
                 msg += f' <{self.maxLine.intercept:.5g}'
                 if self.maxLine.slope:
-                    msg += f'{self.maxLine.slope:+.5g}/s({self.maxLine.value():5g})'
+                    msg += f'{self.maxLine.slope:+.5g}/s={self.maxLine.value():5g}'
         if self.rateLimitPeriod:
             msg += f' {self.rateLimitFraction/MAX_FRACTION:.1%} every {self.rateLimitPeriod/60:.0} minutes'
         return msg