diff --git a/README.md b/README.md
index 84b936408..ccf316fdb 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,11 @@ The following packages are optional:
  ArchLinux           : geocode-glib
  ...
 
+* **fontconfig**
+
+ Python bindings of fontconfig are required for displaying
+ genealogical symbols
+
 Optional packages required by Third-party Addons
 ------------------------------------------------