diff --git a/CHANGELOG.md b/CHANGELOG.md
index 142d8f75..68d6054b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v2.3.4: 2015-09-04
+
++ Whitespace slurp tag syntax -- `<%_  _%>` (@andidev)
+
 ## v2.3.3: 2015-07-11
 
 * Fixed false positives for old `include` preprocessor directive (@mde)
diff --git a/docs/syntax.md b/docs/syntax.md
index 75dc41b4..09055ee8 100644
--- a/docs/syntax.md
+++ b/docs/syntax.md
@@ -13,10 +13,12 @@ Table of contents
   - `<%=`: Escaped output
   - `<%-`: Unescaped output
   - `<%#`: Comments
-  - `<%`: Scriptlets
+  - `<%`: Scriptlet
+  - `<%_`: Scriptlet, removes all preceeding whitespace
 - Ending tags
   - `%>`: Regular ending tag
-  - `-%>`: Whitespace-trimming ending tag
+  - `-%>`: Removes trailing newline
+  - `_%>`: Removes all trailing whitespace
 - Literal tag
 - Including other files
   - “Preprocessor” directive