diff --git a/docs/manual/adding-packages-asciidoc.adoc b/docs/manual/adding-packages-asciidoc.adoc
index d68978b1cb..c34b9ffc2a 100644
--- a/docs/manual/adding-packages-asciidoc.adoc
+++ b/docs/manual/adding-packages-asciidoc.adoc
@@ -112,7 +112,7 @@ Here is a complete example that uses all variables and all hooks:
 05: ################################################################################
 06:
 07: FOO_SOURCES = $(sort $(wildcard $(FOO_DOCDIR)/*))
-08: FOO_RESOURCES = $(sort $(wildcard $(FOO_DOCDIR)/ressources))
+08: FOO_RESOURCES = $(sort $(wildcard $(FOO_DOCDIR)/resources))
 09:
 10: FOO_TOC_DEPTH = 2
 11: FOO_TOC_DEPTH_HTML = 1