diff --git a/docs/nav/reference/config.md b/docs/nav/reference/config.md
index d6e467e1..7774cfbd 100644
--- a/docs/nav/reference/config.md
+++ b/docs/nav/reference/config.md
@@ -3,7 +3,7 @@
 ::: dotflow.core.config.Config
     options:
         members:
-            - path
-            - task_path
-            - log_path
-            - output
+            - storage
+            - notify
+            - log
+            - api
diff --git a/docs/nav/reference/context.md b/docs/nav/reference/context.md
index cb2b9fff..83af5824 100644
--- a/docs/nav/reference/context.md
+++ b/docs/nav/reference/context.md
@@ -7,6 +7,3 @@
             - task_id
             - workflow_id
             - storage
-            - result_task
-            - result_context
-            - result_storage
diff --git a/docs/nav/reference/dotflow.md b/docs/nav/reference/dotflow.md
index 2cee5481..a4c01702 100644
--- a/docs/nav/reference/dotflow.md
+++ b/docs/nav/reference/dotflow.md
@@ -9,3 +9,4 @@
             - result_task
             - result_context
             - result_storage
+            - result
diff --git a/docs/nav/reference/task-builder.md b/docs/nav/reference/task-builder.md
index 80231473..174b780f 100644
--- a/docs/nav/reference/task-builder.md
+++ b/docs/nav/reference/task-builder.md
@@ -7,3 +7,5 @@
             - count
             - clear
             - reverse
+            - schema
+            - result
diff --git a/docs/nav/reference/task-instance.md b/docs/nav/reference/task-instance.md
index 6f4faa63..c3746b4a 100644
--- a/docs/nav/reference/task-instance.md
+++ b/docs/nav/reference/task-instance.md
@@ -11,7 +11,8 @@
             - _initial_context 
             - _current_context 
             - _duration 
-            - _error 
+            - _errors 
             - _status 
             - _config 
-            - group_name
\ No newline at end of file
+            - group_name
+            - retry_count
\ No newline at end of file
diff --git a/docs/nav/reference/workflow.md b/docs/nav/reference/workflow.md
index 78c6a90a..20594662 100644
--- a/docs/nav/reference/workflow.md
+++ b/docs/nav/reference/workflow.md
@@ -5,5 +5,6 @@
         members:
             - _callback_workflow
             - sequential
+            - sequential_group
             - background
             - parallel
diff --git a/dotflow/core/action.py b/dotflow/core/action.py
index bc6ecad5..d3138cb0 100644
--- a/dotflow/core/action.py
+++ b/dotflow/core/action.py
@@ -72,7 +72,7 @@ def my_task():
 
         retry_delay (int): Retry delay on task on_failure. Duration (in seconds)
 
-        backoff (int): Exponential backoff
+        backoff (bool): Exponential backoff. Doubles retry_delay after each attempt.
 
     """
 
diff --git a/dotflow/core/config.py b/dotflow/core/config.py
index 7939e78a..9d4cba1a 100644
--- a/dotflow/core/config.py
+++ b/dotflow/core/config.py
@@ -37,7 +37,7 @@ class Config:
     Args:
         storage (Optional[Storage]): Type of the storage.
         notify (Optional[Notify]): Type of the notify.
-        log (Optional[Log]): Type of the notify.
+        log (Optional[Log]): Type of the log.
 
     Attributes:
         storage (Optional[Storage]):
diff --git a/dotflow/core/dotflow.py b/dotflow/core/dotflow.py
index f5d61903..d21a6553 100644
--- a/dotflow/core/dotflow.py
+++ b/dotflow/core/dotflow.py
@@ -30,6 +30,9 @@ class DotFlow:
     Args:
         config (Optional[Config]): Configuration class.
 
+        workflow_id (Optional[str]): Fixed workflow identifier for checkpoint
+            resume. If not provided, a random UUID is generated.
+
     Attributes:
         workflow_id (UUID):
 
diff --git a/dotflow/core/workflow.py b/dotflow/core/workflow.py
index 1ea0ba40..5e7b9bab 100644
--- a/dotflow/core/workflow.py
+++ b/dotflow/core/workflow.py
@@ -73,6 +73,11 @@ class Manager:
 
         workflow_id (UUID): Workflow ID.
 
+        resume (bool):
+            If True, checks for existing checkpoints before executing each task.
+            Tasks with a checkpoint are skipped and their saved context is used.
+            Requires a persistent storage provider and a fixed workflow_id.
+
     Attributes:
         on_success (Callable):