diff --git a/doc/manual/source/conf.py b/doc/manual/source/conf.py
index db947637e..884b84716 100644
--- a/doc/manual/source/conf.py
+++ b/doc/manual/source/conf.py
@@ -124,7 +124,7 @@ html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+html_last_updated_fmt = '%b %d, %Y %H:%M'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
@@ -184,7 +184,7 @@ latex_documents = [
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+latex_logo = '../../ns3_html_theme/static/ns-3.png'
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
diff --git a/doc/models/source/conf.py b/doc/models/source/conf.py
index e9fa37bc1..68eaa3865 100644
--- a/doc/models/source/conf.py
+++ b/doc/models/source/conf.py
@@ -124,7 +124,7 @@ html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+html_last_updated_fmt = '%b %d, %Y %H:%M'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
@@ -184,7 +184,7 @@ latex_documents = [
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+latex_logo = '../../ns3_html_theme/static/ns-3.png'
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
diff --git a/doc/ns3_html_theme/static/ns-3.png b/doc/ns3_html_theme/static/ns-3.png
new file mode 100644
index 000000000..e2d0aada0
Binary files /dev/null and b/doc/ns3_html_theme/static/ns-3.png differ
diff --git a/doc/tutorial-pt-br/source/conf.py b/doc/tutorial-pt-br/source/conf.py
index 3a901e854..7a9280df2 100644
--- a/doc/tutorial-pt-br/source/conf.py
+++ b/doc/tutorial-pt-br/source/conf.py
@@ -126,7 +126,7 @@ html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+html_last_updated_fmt = '%b %d, %Y %H:%M'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
@@ -186,7 +186,7 @@ latex_documents = [
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+latex_logo = '../../ns3_html_theme/static/ns-3.png'
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
diff --git a/doc/tutorial/source/conf.py b/doc/tutorial/source/conf.py
index 06ed8385d..eb17d18ed 100644
--- a/doc/tutorial/source/conf.py
+++ b/doc/tutorial/source/conf.py
@@ -124,7 +124,7 @@ html_static_path = ['_static']
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+html_last_updated_fmt = '%b %d, %Y %H:%M'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
@@ -184,7 +184,7 @@ latex_documents = [
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+latex_logo = '../../ns3_html_theme/static/ns-3.png'
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.