diff --git a/components/tachart/tutorials/readme.txt b/components/tachart/tutorials/readme.txt
index 6f1e4022ca..7632e145a0 100644
--- a/components/tachart/tutorials/readme.txt
+++ b/components/tachart/tutorials/readme.txt
@@ -13,6 +13,17 @@ topic:
 - legend
 - axis titles
 
+--------------------------------------------------------------------------------
+folder "func_series"
+--------------------------------------------------------------------------------
+tutorial
+  http://wiki.lazarus.freepascal.org/TAChart_Tutorial:_Function_Series
+  
+topics
+- TFuncSeries
+- domain exclusions
+- TConstantLineSeries
+
 --------------------------------------------------------------------------------
 folder "mandelbrot"
 --------------------------------------------------------------------------------