diff --git a/doc/go_spec.html b/doc/go_spec.html
index 8c958b159d..d56efcc2bc 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -3278,7 +3278,8 @@ of <code>x</code> and thus has no run-time cost.
 </p>
 
 <p>
-Specific rules apply to conversions where <code>T</code> is a numeric or string type.
+Specific rules apply to conversions where <code>T</code> is a
+numeric or string type, or where <code>x</code> is of string type.
 These conversions may change the representation of a value and incur a run-time cost.
 </p>