diff --git a/doc/ref/spec.md b/doc/ref/spec.md
index 9eb080e..db7916a 100644
--- a/doc/ref/spec.md
+++ b/doc/ref/spec.md
@@ -504,6 +504,7 @@
 immediately followed by a newline, which is discarded from the string contents.
 The string is closed by a matching triple quote, which must be by itself
 on a newline, preceded by optional whitespace.
+The newline preceding the closing quote is discarded from the string contents.
 The whitespace before a closing triple quote must appear before any non-empty
 line after the opening quote and will be removed from each of these
 lines in the string literal.