diff --git a/docs/utils.md b/docs/utils.md
index 78688a7f7..26c8b06d4 100644
--- a/docs/utils.md
+++ b/docs/utils.md
@@ -420,6 +420,10 @@ Common arguments:
 
 By default, only active pairs/markets are shown. Active pairs/markets are those that can currently be traded
 on the exchange. The see the list of all pairs/markets (not only the active ones), use the `-a`/`-all` option.
+Pairs may be listed as untradeable if:
+
+* the exchange precisionMode is set to tick size (see https://github.com/ccxt/ccxt/wiki/Manual#precision-mode)
+* the smallest tradeable price for the market is very small, i.e. less than `1e-11` (`0.00000000001`)
 
 Pairs/markets are sorted by its symbol string in the printed output.