diff --git a/pages/common/fish.md b/pages/common/fish.md
index 4fc64de0ec..aab5e11c94 100644
--- a/pages/common/fish.md
+++ b/pages/common/fish.md
@@ -22,6 +22,6 @@
 
 `fish --version`
 
-- Enable debug information:
+- Enable debug information (ranges from 0 to 128):
 
-`fish -D {{DEBUG_LEVEL}}`
+`fish -debug-stack-frames={{NUMBER}}`