diff --git a/doc/intro.txt b/doc/intro.txt
index 2615a2c5..bc686872 100644
--- a/doc/intro.txt
+++ b/doc/intro.txt
@@ -29,9 +29,11 @@ CCError
 CCFloat
 CCFun
 CCHash
+CCHashtbl
 CCHeap
 CCInt
 CCList
+CCMap
 CCOpt
 CCOrd
 CCPair