diff --git a/autodoc/autodoc.py b/autodoc/autodoc.py
index e69d790..fb1cdeb 100644
--- a/autodoc/autodoc.py
+++ b/autodoc/autodoc.py
@@ -7,6 +7,7 @@ from datetime import datetime
 
 import common as doc
 from doc_state import *
+from doc_state_machine import doc_state_machine
 
 
 def __doc_app_state__(state, tab=" │  "):
@@ -20,7 +21,7 @@ def __doc_app_state__(state, tab=" │  "):
 
 
 def __doc_application__(label, app):
-    mdapp = f'\n## Real-time application "{label[1:]}"\n\n'
+    mdapp = f'\n## Real-time application: "{label[1:]}"\n\n'
     mdapp += f"Below are descrbed the states and threads of the real-time application {label[1:]}.\n"
 
     mdapp += "\n"
@@ -44,7 +45,7 @@ def __doc_application__(label, app):
     mdapp += "```\n"
     for label, obj in states.items():
         if label[0] == "+":
-            mdapp += f'\n### State "{label[1:]}"\n'
+            mdapp += f'\n### State: "{label[1:]}"\n'
             mdapp += doc_state(label, obj, app)
     return mdapp
 
@@ -71,7 +72,8 @@ def document(fname, args, config):
             if obj["Class"] == "RealTimeApplication":
                 mddoc += __doc_application__(label, obj)
             if obj["Class"] == "StateMachine":
-                mddoc += f'\n## State-Machine "{label[1:]}"'
+                mddoc += f'\n## State-Machine: "{label[1:]}"\n'
+                mddoc += doc_state_machine(label[1:], obj)
     fpath = os.path.join(doc.path(), f"{fname}.md")
     outpath = os.path.join(doc.path(), fname)
     logging.info(f"Saving markdown: {fpath}")
@@ -79,7 +81,7 @@ def document(fname, args, config):
         file.write(mddoc)
     logging.info(f"Generating html: {outpath}.html")
     os.system(
-        f"pandoc --css styling.css --resource-path={doc.path()} --embed-resource --to html5 -s {fpath} -o {outpath}.html"
+        f"pandoc --css pandoc/styling.css --resource-path={doc.path()} --embed-resource --to html5 -s {fpath} -o {outpath}.html"
     )
     logging.info(f"Generating pdf: {outpath}.pdf")
     os.system(
diff --git a/autodoc/doc_state.py b/autodoc/doc_state.py
index 5710ecf..de2aa4b 100644
--- a/autodoc/doc_state.py
+++ b/autodoc/doc_state.py
@@ -575,7 +575,7 @@ def __simple_edges__(edges, datasources):
 def __state_simple_graph__(label, state, app):
     graph = f"digraph {label[1:]}" + "{\n"
     graph += "rankdir = LR;\n"
-    graph += 'node [shape=rect, style="rounded, filled", fillcolor=white];\n'
+    graph += 'node [shape=rect, style="filled", fillcolor=white];\n'
     graph += f"label=<State: <B>{label[1:]}</B>>;\n"
     graph += "fontsize=40;\n"
     graph += "\n"
diff --git a/autodoc/doc_state_machine.py b/autodoc/doc_state_machine.py
new file mode 100644
index 0000000..2d45e91
--- /dev/null
+++ b/autodoc/doc_state_machine.py
@@ -0,0 +1,44 @@
+"""
+State machine documentation.
+"""
+
+import logging
+import os
+
+import common
+
+
+def doc_state_machine(name, obj):
+    """Document state machine."""
+    graph = f"digraph {name}" + "{\n"
+    graph += "rankdir = LR;\n"
+    # graph += "layout = circo;\n"
+    graph += 'node [shape=egg, style="filled"];\n'
+    first = True
+    for key in obj:
+        if key[0] == "+":
+            state = key[1:]
+            ids = common.format_name(state)
+            graph += f"  {ids} [label=<<B>{state}</B>>"
+            if first:
+                graph += ", fillcolor=lightblue"
+                first = False
+            graph += "];\n"
+
+            for x, y in obj[key].items():
+                if x[0] == "+":
+                    for a, b in y.items():
+                        if a == "NextState":
+                            graph += (
+                                f"  {ids} -> {common.format_name(b)}[label={x[1:]}];\n"
+                            )
+    graph += "\n}"
+    gpath = os.path.join(common.path(), name)
+    logging.info(f"Saving state machine graph: {gpath}.dot")
+    with open(gpath + ".dot", "w") as f:
+        f.write(graph)
+
+    logging.info(f"Converting state machine graph: {gpath}.svg")
+    os.system(f"dot -Tsvg -o{gpath}.svg {gpath}.dot")
+
+    return f"![{name}]({name}.svg)" + "{width=90%}\n"