diff --git a/doc/syntax/literals.rdoc b/doc/syntax/literals.rdoc
index e58430e96f..c871d2780d 100644
--- a/doc/syntax/literals.rdoc
+++ b/doc/syntax/literals.rdoc
@@ -143,6 +143,9 @@ Double-quote strings allow interpolation of other values using
Any expression may be placed inside the interpolated section, but it's best to
keep the expression small for readability.
+You can also use #@foo and #$foo as a shorthand for,
+respentively, #{ @foo } and #{ $foo }.
+
Interpolation may be disabled by escaping the "#" character or using
single-quote strings: