diff --git a/docs/specifications/manifests.md b/docs/specifications/manifests.md
index 91acfea58a..a71db2d8b5 100644
--- a/docs/specifications/manifests.md
+++ b/docs/specifications/manifests.md
@@ -49,7 +49,7 @@ CMake).
 
 The specification uses definitions from the [Definitions](#definitions) section in order
 to specify the shape of a value. Note that any object may contain any directives, written as
-a field key that starts with a `$`; these directive shall be ignored by `vcpkg`. Common
+a field key that starts with a `$`; these directives shall be ignored by `vcpkg`. Common
 directives may include `"$schema"`, `"$comment"`, `"$reason"`.
 
 A manifest must be a top-level object, and must have at least: