diff --git a/docs/schemas/storagepool.rng b/docs/schemas/storagepool.rng
index 983f664176..165e27643f 100644
--- a/docs/schemas/storagepool.rng
+++ b/docs/schemas/storagepool.rng
@@ -144,7 +144,7 @@
-
+
@@ -230,7 +230,7 @@
-
+
@@ -519,12 +519,6 @@
-
-
- [a-zA-Z0-9_\+\-]+
-
-
-
-1