diff --git a/README.md b/README.md
index ad4c5a7a..1690f0d5 100755
--- a/README.md
+++ b/README.md
@@ -3,38 +3,41 @@
# Cerebro
+
+
**Table of Contents**
-- [Introduction to the Cerebro interface](#introduction-to-the-cerebro-interface)
- - [Load data](#load-data)
- - [Overview](#overview)
- - [Samples](#samples)
- - [Clusters](#clusters)
- - [Most expressed genes](#most-expressed-genes)
- - [Marker genes](#marker-genes)
- - [Enriched pathways](#enriched-pathways)
- - [Gene expression](#gene-expression)
- - [Gene set expression](#gene-set-expression)
- - [Trajectory](#trajectory)
- - [Gene ID conversion](#gene-id-conversion)
- - [Analysis info](#analysis-info)
-- [Motivation](#motivation)
-- [Installation](#installation)
- - [Details: `cerebroApp` R package](#details-cerebroapp-r-package)
- - [Details: `romanhaa/cerebro` Docker container](#details-romanhaacerebro-docker-container)
-- [Example data sets](#example-data-sets)
-- [Conversion of other single cell data formats](#conversion-of-other-single-cell-data-formats)
-- [Technical notes](#technical-notes)
-- [Building from source](#building-from-source)
- - [On macOS](#on-macos)
- - [On Windows](#on-windows)
-- [Troubleshooting](#troubleshooting)
-- [Credits](#credits)
-- [Contribute](#contribute)
-- [Citation](#citation)
-- [License](#license)
+- [Cerebro](#cerebro)
+ - [Introduction to the Cerebro interface](#introduction-to-the-cerebro-interface)
+ - [Load data](#load-data)
+ - [Overview](#overview)
+ - [Samples](#samples)
+ - [Clusters](#clusters)
+ - [Most expressed genes](#most-expressed-genes)
+ - [Marker genes](#marker-genes)
+ - [Enriched pathways](#enriched-pathways)
+ - [Gene expression](#gene-expression)
+ - [Gene set expression](#gene-set-expression)
+ - [Trajectory](#trajectory)
+ - [Gene ID conversion](#gene-id-conversion)
+ - [Analysis info](#analysis-info)
+ - [Motivation](#motivation)
+ - [Installation](#installation)
+ - [Details: `cerebroApp` R package](#details-cerebroapp-r-package)
+ - [Details: `romanhaa/cerebro` Docker container](#details-romanhaacerebro-docker-container)
+ - [Example data sets](#example-data-sets)
+ - [Conversion of other single cell data formats](#conversion-of-other-single-cell-data-formats)
+ - [Technical notes](#technical-notes)
+ - [Building from source](#building-from-source)
+ - [On macOS](#on-macos)
+ - [On Windows](#on-windows)
+ - [Troubleshooting](#troubleshooting)
+ - [Credits](#credits)
+ - [Contribute](#contribute)
+ - [Citation](#citation)
+ - [License](#license)
diff --git a/README_for_biologists.md b/README_for_biologists.md
index e8ce512e..beeef0a2 100644
--- a/README_for_biologists.md
+++ b/README_for_biologists.md
@@ -1,5 +1,7 @@
# Introduction to Cerebro
+
+
This article is meant to give an introduction to Cerebro for people who don't have any bioinformatic skills.
Maybe you are an experimental biologists who performed a scRNA-seq experiment and the computational biologists who analysed the data for you gave you a file and told you to load it into Cerebro.
And, maybe, he/she didn't tell you what Cerebro is and what it can be used for.
diff --git a/logo_Cerebro.png b/logo_Cerebro.png
new file mode 100644
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