diff --git a/doc/fcdircache.fncs b/doc/fcdircache.fncs
index 24dea8b..ab5e3d9 100644
--- a/doc/fcdircache.fncs
+++ b/doc/fcdircache.fncs
@@ -54,6 +54,16 @@ exists, returns NULL. The name of the cache file is returned in
 FcDirCacheRead.
 @@
 
+@RET@		FcCache *
+@FUNC@		FcDirCacheRescan
+@TYPE1@		const FcChar8 *			@ARG1@		dir
+@TYPE2@		FcConfig *    			@ARG2@		config
+@PURPOSE@	Re-scan a directory cache
+@DESC@
+Re-scan directories only at <parameter>dir</parameter> and update the cache.
+returns NULL if failed.
+@@
+
 @RET@		FcCache *
 @FUNC@		FcDirCacheRead
 @TYPE1@		const FcChar8 *			@ARG1@		dir