diff --git a/docs/Customization/Heterogeneous-SoCs.rst b/docs/Customization/Heterogeneous-SoCs.rst
index 6ff88129c3..df5043c3b0 100644
--- a/docs/Customization/Heterogeneous-SoCs.rst
+++ b/docs/Customization/Heterogeneous-SoCs.rst
@@ -17,8 +17,8 @@ The following example shows a dual core BOOM with a single core Rocket.
 
 .. literalinclude:: ../../generators/chipyard/src/main/scala/config/HeteroConfigs.scala
     :language: scala
-    :start-after: DOC include start: DualBoomAndRocket
-    :end-before: DOC include end: DualBoomAndRocket
+    :start-after: DOC include start: DualBoomAndSingleRocket
+    :end-before: DOC include end: DualBoomAndSingleRocket
 
 
 Adding Hwachas
diff --git a/generators/chipyard/src/main/scala/config/HeteroConfigs.scala b/generators/chipyard/src/main/scala/config/HeteroConfigs.scala
index 862ee64385..55d2f77074 100644
--- a/generators/chipyard/src/main/scala/config/HeteroConfigs.scala
+++ b/generators/chipyard/src/main/scala/config/HeteroConfigs.scala
@@ -31,12 +31,17 @@ class LargeBoomAndHwachaRocketConfig extends Config(
 // DOC include end: DualBoomAndRocketOneHwacha
 
 
-// DOC include start: DualBoomAndRocket
 class DualLargeBoomAndDualRocketConfig extends Config(
   new boom.common.WithNLargeBooms(2) ++                   // add 2 boom cores
   new freechips.rocketchip.subsystem.WithNBigCores(2) ++  // add 2 rocket cores
   new chipyard.config.AbstractConfig)
-// DOC include end: DualBoomAndRocket
+
+// DOC include start: DualBoomAndSingleRocket
+class DualLargeBoomAndSingleRocketConfig extends Config(
+  new boom.common.WithNLargeBooms(2) ++                   // add 2 boom cores
+  new freechips.rocketchip.subsystem.WithNBigCores(1) ++  // add 1 rocket core
+  new chipyard.config.AbstractConfig)
+// DOC include end: DualBoomAndSingleRocket
 
 class LargeBoomAndRocketWithControlCoreConfig extends Config(
   new freechips.rocketchip.subsystem.WithNSmallCores(1) ++ // Add a small "control" core