runtime: Fix `big_int_from_string` error message
@@ -562,7 +562,7 @@ impl HostExports {
pub(crate) fn big_int_from_string(&self, s: String) -> Result<BigInt, DeterministicHostError> {
BigInt::from_str(&s)
- .with_context(|| format!("string is not a BigInt: '{}'", s))
+ .with_context(|| format!("string is not a BigInt: `{}`", s))
.map_err(DeterministicHostError)
}
