diff --git a/.github/CONTRIBUTING.txt b/.github/CONTRIBUTING.txt
index 5fce4257..0233769d 100644
--- a/.github/CONTRIBUTING.txt
+++ b/.github/CONTRIBUTING.txt
@@ -13,9 +13,9 @@ Here's the long and short of it:
 
       git clone https://github.com/your-username/scikit-image.git
 
-   * Add the upstream repository:
+   * Add the upstream repository::
 
-        git remote add upstream https://github.com/scikit-image/scikit-image.git
+      git remote add upstream https://github.com/scikit-image/scikit-image.git
 
    * Now, you have remote repositories named: