diff --git a/exercises/practice/largest-series-product/.docs/instructions.append.md b/exercises/practice/largest-series-product/.docs/instructions.append.md
index 5a0f9b9206..b0aa9dce02 100644
--- a/exercises/practice/largest-series-product/.docs/instructions.append.md
+++ b/exercises/practice/largest-series-product/.docs/instructions.append.md
@@ -10,7 +10,7 @@ To raise a `ValueError` with a message, write the message as an argument to the
 
 ```python
 # span of numbers is longer than number series
-raise ValueError("span must be smaller than string length")
+raise ValueError("span must not exceed string length")
 
 # span of number is negative
 raise ValueError("span must not be negative")