doc: fix duplicate labels

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/doc/release-notes/v2.0.4.rst b/doc/release-notes/v2.0.4.rst
index 85721dd..a8f7af6 100644
--- a/doc/release-notes/v2.0.4.rst
+++ b/doc/release-notes/v2.0.4.rst
@@ -70,12 +70,12 @@
 
 `Repository <https://github.com/open-power/hostboot>`__
 
-.. _patches-1:
+.. _v2.0.4-patches-1:
 
 Patches
 ~~~~~~~
 
-.. _commits-1:
+.. _v2.0.4-commits-1:
 
 Commits
 ~~~~~~~
@@ -164,12 +164,12 @@
 
 `Repository <https://github.com/open-power/occ>`__
 
-.. _patches-2:
+.. _v2.0.4-patches-2:
 
 Patches
 ~~~~~~~
 
-.. _commits-2:
+.. _v2.0.4-commits-2:
 
 Commits
 ~~~~~~~
@@ -192,12 +192,12 @@
 
 `Repository <https://github.com/open-power/sbe>`__
 
-.. _patches-3:
+.. _v2.0.4-patches-3:
 
 Patches
 ~~~~~~~
 
-.. _commits-3:
+.. _v2.0.4-commits-3:
 
 Commits
 ~~~~~~~
@@ -231,12 +231,12 @@
 
 `Repository <https://github.com/open-power/skiboot>`__
 
-.. _patches-4:
+.. _v2.0.4-patches-4:
 
 Patches
 ~~~~~~~
 
-.. _commits-4:
+.. _v2.0.4-commits-4:
 
 Commits
 ~~~~~~~