diff --git a/README.rst b/README.rst
index 6fb9653..658cc2b 100644
--- a/README.rst
+++ b/README.rst
@@ -144,7 +144,7 @@ dependencies like this:
    apt-get install -y python3 python3-pip zlib1g-dev libblas-dev liblapack-dev libxml2-dev
 
 Getting the code (pip3, latest release)
-======================================
+=======================================
 
 You can install biocode using pip3 (requires Python3) like this: