diff --git a/openvdb_ax/openvdb_ax/compiler/AttributeBindings.h b/openvdb_ax/openvdb_ax/compiler/AttributeBindings.h
index ebd7bba23b..dd295b2501 100644
--- a/openvdb_ax/openvdb_ax/compiler/AttributeBindings.h
+++ b/openvdb_ax/openvdb_ax/compiler/AttributeBindings.h
@@ -1,5 +1,5 @@
 // Copyright Contributors to the OpenVDB Project
-// SPDX-License-Identifier: Apache-2.0/
+// SPDX-License-Identifier: Apache-2.0
 
 /// @file compiler/AttributeBindings.h
 ///
diff --git a/openvdb_ax/openvdb_ax/compiler/AttributeRegistry.h b/openvdb_ax/openvdb_ax/compiler/AttributeRegistry.h
index 6f40790d2d..1f03655f54 100644
--- a/openvdb_ax/openvdb_ax/compiler/AttributeRegistry.h
+++ b/openvdb_ax/openvdb_ax/compiler/AttributeRegistry.h
@@ -1,5 +1,5 @@
 // Copyright Contributors to the OpenVDB Project
-// SPDX-License-Identifier: Apache-2.0/
+// SPDX-License-Identifier: Apache-2.0
 
 /// @file compiler/AttributeRegistry.h
 ///