Recover workspace member clarification from 8139a5d830d2c59b76abd9865ae7aeffdaaa107f

The original failed to update the book and was lost in
1271bb4de0c0e0a085be239c2418af9c673ffc87.

diff --git a/src/doc/src/reference/manifest.md b/src/doc/src/reference/manifest.md
index 5f5ac6a9871a88f3f1caaf93ffbe876435c460ca..71aede54306c9cdd86707063b2317007d3603db6 100644 (file)
--- a/src/doc/src/reference/manifest.md
+++ b/src/doc/src/reference/manifest.md
@@ -481,10 +481,12 @@ as:
 ```toml
 [workspace]
 
-# Optional key, inferred if not present
+# Optional key, inferred from path dependencies if not present.
+# Additional non-path dependencies that should be included must be given here.
+# In particular, for a virtual manifest, all members have to be listed.
 members = ["path/to/member1", "path/to/member2", "path/to/member3/*"]
 
-# Optional key, empty if not present
+# Optional key, empty if not present.
 exclude = ["path1", "path/to/dir2"]
 ```