diff --git a/doc/training-guides/operator-guide/bk002-operator-training-guide.xml b/doc/training-guides/operator-guide/bk002-operator-training-guide.xml
deleted file mode 100644
index 0ce1adac..00000000
--- a/doc/training-guides/operator-guide/bk002-operator-training-guide.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<book xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"
-  xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
-  xml:id="bk003-operator-training-guide">
-    <title>Operator Training Guide</title>
-    <xi:include href="./bk002-ch001-operator-getting-started.xml"/>
-    <xi:include href="./bk002-ch002-operator-getting-started-lab.xml"/>
-    <xi:include href="./bk002-ch003-operator-getting-started-quiz.xml"/>
-    <xi:include href="./bk002-ch004-operator-controller-node.xml"/>
-    <xi:include href="./bk002-ch005-operator-controller-node-lab.xml"/>
-    <xi:include href="./bk002-ch006-operator-controller-node-quiz.xml"/>
-    <xi:include href="./bk002-ch010-operator-network-node.xml"/>
-    <xi:include href="./bk002-ch011-operator-network-node-lab.xml"/>
-    <xi:include href="./bk002-ch012-operator-network-node-quiz.xml"/>
-    <xi:include href="./bk002-ch007-operator-compute-node.xml"/>
-    <xi:include href="./bk002-ch008-operator-compute-node-lab.xml"/>
-    <xi:include href="./bk002-ch009-operator-compute-node-quiz.xml"/>
-    <!-- <xi:include href="./bk002-ch013-operator-object-storage-node.xml"/> -->
-    <xi:include href="./bk002-ch014-operator-object-storage-node-lab.xml"/>
-    <xi:include href="./bk002-ch015-operator-object-storage-node-quiz.xml"/>
-</book>
diff --git a/doc/training-guides/operator-guide/bk_operator-training-guide.xml b/doc/training-guides/operator-guide/bk_operator-training-guide.xml
new file mode 100644
index 00000000..46a093a8
--- /dev/null
+++ b/doc/training-guides/operator-guide/bk_operator-training-guide.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<book xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"
+  xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
+  xml:id="bk_operator-training-guide">
+    <title>Operator Training Guide</title>
+    <xi:include href="./ch_operator-getting-started.xml"/>
+    <xi:include href="./ch_operator-getting-started-lab.xml"/>
+    <xi:include href="./ch_operator-getting-started-quiz.xml"/>
+    <xi:include href="./ch_operator-controller-node.xml"/>
+    <xi:include href="./ch_operator-controller-node-lab.xml"/>
+    <xi:include href="./ch_operator-controller-node-quiz.xml"/>
+    <xi:include href="./ch_operator-network-node.xml"/>
+    <xi:include href="./ch_operator-network-node-lab.xml"/>
+    <xi:include href="./ch_operator-network-node-quiz.xml"/>
+    <xi:include href="./ch_operator-compute-node.xml"/>
+    <xi:include href="./ch_operator-compute-node-lab.xml"/>
+    <xi:include href="./ch_operator-compute-node-quiz.xml"/>
+    <!-- <xi:include href="./ch_operator-object-storage-node.xml"/> -->
+    <xi:include href="./ch_operator-object-storage-node-lab.xml"/>
+    <xi:include href="./ch_operator-object-storage-node-quiz.xml"/>
+</book>
diff --git a/doc/training-guides/operator-guide/bk002-ch008-operator-compute-node-lab.xml b/doc/training-guides/operator-guide/ch_operator-compute-node-lab.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch008-operator-compute-node-lab.xml
rename to doc/training-guides/operator-guide/ch_operator-compute-node-lab.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch009-operator-compute-node-quiz.xml b/doc/training-guides/operator-guide/ch_operator-compute-node-quiz.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch009-operator-compute-node-quiz.xml
rename to doc/training-guides/operator-guide/ch_operator-compute-node-quiz.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch007-operator-compute-node.xml b/doc/training-guides/operator-guide/ch_operator-compute-node.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch007-operator-compute-node.xml
rename to doc/training-guides/operator-guide/ch_operator-compute-node.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch005-operator-controller-node-lab.xml b/doc/training-guides/operator-guide/ch_operator-controller-node-lab.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch005-operator-controller-node-lab.xml
rename to doc/training-guides/operator-guide/ch_operator-controller-node-lab.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch006-operator-controller-node-quiz.xml b/doc/training-guides/operator-guide/ch_operator-controller-node-quiz.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch006-operator-controller-node-quiz.xml
rename to doc/training-guides/operator-guide/ch_operator-controller-node-quiz.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch004-operator-controller-node.xml b/doc/training-guides/operator-guide/ch_operator-controller-node.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch004-operator-controller-node.xml
rename to doc/training-guides/operator-guide/ch_operator-controller-node.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch002-operator-getting-started-lab.xml b/doc/training-guides/operator-guide/ch_operator-getting-started-lab.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch002-operator-getting-started-lab.xml
rename to doc/training-guides/operator-guide/ch_operator-getting-started-lab.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch003-operator-getting-started-quiz.xml b/doc/training-guides/operator-guide/ch_operator-getting-started-quiz.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch003-operator-getting-started-quiz.xml
rename to doc/training-guides/operator-guide/ch_operator-getting-started-quiz.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch001-operator-getting-started.xml b/doc/training-guides/operator-guide/ch_operator-getting-started.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch001-operator-getting-started.xml
rename to doc/training-guides/operator-guide/ch_operator-getting-started.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch011-operator-network-node-lab.xml b/doc/training-guides/operator-guide/ch_operator-network-node-lab.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch011-operator-network-node-lab.xml
rename to doc/training-guides/operator-guide/ch_operator-network-node-lab.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch012-operator-network-node-quiz.xml b/doc/training-guides/operator-guide/ch_operator-network-node-quiz.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch012-operator-network-node-quiz.xml
rename to doc/training-guides/operator-guide/ch_operator-network-node-quiz.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch010-operator-network-node.xml b/doc/training-guides/operator-guide/ch_operator-network-node.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch010-operator-network-node.xml
rename to doc/training-guides/operator-guide/ch_operator-network-node.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch014-operator-object-storage-node-lab.xml b/doc/training-guides/operator-guide/ch_operator-object-storage-node-lab.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch014-operator-object-storage-node-lab.xml
rename to doc/training-guides/operator-guide/ch_operator-object-storage-node-lab.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch015-operator-object-storage-node-quiz.xml b/doc/training-guides/operator-guide/ch_operator-object-storage-node-quiz.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch015-operator-object-storage-node-quiz.xml
rename to doc/training-guides/operator-guide/ch_operator-object-storage-node-quiz.xml
diff --git a/doc/training-guides/operator-guide/bk002-ch013-operator-object-storage-node.xml b/doc/training-guides/operator-guide/ch_operator-object-storage-node.xml
similarity index 100%
rename from doc/training-guides/operator-guide/bk002-ch013-operator-object-storage-node.xml
rename to doc/training-guides/operator-guide/ch_operator-object-storage-node.xml
diff --git a/doc/training-guides/st-training-guides.xml b/doc/training-guides/st-training-guides.xml
index 8ea58e80..ef89b0c4 100644
--- a/doc/training-guides/st-training-guides.xml
+++ b/doc/training-guides/st-training-guides.xml
@@ -94,7 +94,7 @@
     <!-- <xi:include href="under-contruction-notice.xml"/> -->
     <xi:include href="bk000-preface.xml"/>
     <xi:include href="associate-guide/bk_associate-training-guide.xml"/>
-    <xi:include href="operator-guide/bk002-operator-training-guide.xml"/>
+    <xi:include href="operator-guide/bk_operator-training-guide.xml"/>
     <xi:include href="developer-guide/bk003-developer-training-guide.xml"/>
     <xi:include href="architect-guide/bk004-architect-training-guide.xml"/>
     <!-- For Juno Release -->