docs: Add expirydate to front-matter doc

diff --git a/docs/content/content/front-matter.md b/docs/content/content/front-matter.md
index 12f3db342f031fd21fce77db29d8415c86125939..d31cd9534608fa56064ef713fd985d4e80a6a396 100644 (file)
--- a/docs/content/content/front-matter.md
+++ b/docs/content/content/front-matter.md
@@ -100,6 +100,7 @@ Field names are always normalized to lowercase (e.g. `camelCase: true` is availa
               See [Aliases]({{< relref "extras/aliases.md" >}}) for details.
 * **draft** If true, the content will not be rendered unless `hugo` is called with `--buildDrafts`
 * **publishdate** If in the future, content will not be rendered unless `hugo` is called with `--buildFuture`
+* **expirydate** Content already expired will not be rendered unless `hugo` is called with `--buildExpired`
 * **type** The type of the content (will be derived from the directory automatically if unset)
 * **isCJKLanguage** If true, explicitly treat the content as CJKLanguage (.Summary and .WordCount can work properly in CJKLanguage)
 * **weight** Used for sorting