diff --git a/integ/workflow/any_command_combination/routers.go b/integ/workflow/any_command_combination/routers.go
index 6c0f2015..d914fb9d 100644
--- a/integ/workflow/any_command_combination/routers.go
+++ b/integ/workflow/any_command_combination/routers.go
@@ -15,7 +15,7 @@ import (
  * This test workflow has 2 states, using REST controller to implement the workflow directly.
  *
  * State1:
- *		- WaitUntil method will run for two attempts. The first attempt attempt will wait for an invalid list of commands.
+ *		- WaitUntil method will have two attempts. The first attempt attempt will wait for an invalid list of commands.
  * 	      This will be rejected by server can cause a 2nd attempt.
  *		  The second attempt will wait for a valid list of commands of signals and timers, using ANY_COMMAND_COMBINATION_COMPLETED
  *      - Execute method will go to State2
diff --git a/integ/workflow/any_timer_signal/routers.go b/integ/workflow/any_timer_signal/routers.go
index e0be00aa..90041311 100644
--- a/integ/workflow/any_timer_signal/routers.go
+++ b/integ/workflow/any_timer_signal/routers.go
@@ -11,6 +11,16 @@ import (
 	"time"
 )
 
+/**
+ * This test workflow has 2 states, using REST controller to implement the workflow directly.
+ *
+ * State1:
+ *		- WaitUntil method will wait for a timer or a signal
+ *      - Execute method will go to State1 again for the first stateExecution(State1-1), and go to State2 for the second.
+ * State2:
+ * 		- WaitUntil method does nothing
+ * 		- Execute method will gracefully complete workflow
+ */
 const (
 	WorkflowType = "any_timer_signal"
 	State1       = "S1"
diff --git a/integ/workflow/basic/routers.go b/integ/workflow/basic/routers.go
index 1309ac90..b43f0686 100644
--- a/integ/workflow/basic/routers.go
+++ b/integ/workflow/basic/routers.go
@@ -8,6 +8,16 @@ import (
 	"net/http"
 )
 
+/**
+ * This test workflow has 2 states, using REST controller to implement the workflow directly.
+ *
+ * State1:
+ *		- WaitUntil method does nothing
+ *      - Execute method will go to State2 with some options(api timeout, retry policy)
+ * State2:
+ * 		- WaitUntil method does nothing
+ * 		- Execute method will gracefully complete workflow
+ */
 const (
 	WorkflowType = "basic"
 	State1       = "S1"
diff --git a/integ/workflow/conditional_close/routers.go b/integ/workflow/conditional_close/routers.go
index a5172298..b0b1036b 100644
--- a/integ/workflow/conditional_close/routers.go
+++ b/integ/workflow/conditional_close/routers.go
@@ -10,6 +10,15 @@ import (
 	"time"
 )
 
+/**
+ * This test workflow has 1 state and a RPC, using REST controller to implement the workflow directly.
+ *
+ * RPC: publish message to internal channel TestChannelName
+ * State1:
+ *		- WaitUntil method: if the input is "use-signal-channel", then wait for TestChannelName signal, otherwise wait for TestChannelName internalChannel
+ *      - Execute method: for the first stateExecution(State1-1), it will wait for 3 seconds to let the channel have a new message.
+ *                        Then it will conditionally go to State1 again using WorkflowConditionalClose, otherwise it will gracefully complete the workflow.
+ */
 const (
 	WorkflowType              = "conditional_close"
 	RpcPublishInternalChannel = "publish_internal_channel"
diff --git a/integ/workflow/deadend/routers.go b/integ/workflow/deadend/routers.go
index 0035c1f5..39a97224 100644
--- a/integ/workflow/deadend/routers.go
+++ b/integ/workflow/deadend/routers.go
@@ -9,6 +9,15 @@ import (
 	"net/http"
 )
 
+/**
+ * This test workflow has 1 state and a RPC, using REST controller to implement the workflow directly.
+ *
+ * RPC: publish message to internal channel TestChannelName
+ * State1:
+ *		- WaitUntil method: if the input is "use-signal-channel", then wait for TestChannelName signal, otherwise wait for TestChannelName internalChannel
+ *      - Execute method: for the first stateExecution(State1-1), it will wait for 3 seconds to let the channel have a new message.
+ *                        Then it will conditionally go to State1 again using WorkflowConditionalClose, otherwise it will gracefully complete the workflow.
+ */
 const (
 	WorkflowType    = "deadend"
 	RPCTriggerState = "test-RPCTriggerState"