diff --git a/t/README.md b/t/README.md
index 63f2dfd33cb92606e87d63430a6a66a18b3a50f0..a1398d12641830786204e274faa5f636f9066036 100644
--- a/t/README.md
+++ b/t/README.md
@@ -33,8 +33,8 @@ To run the tests made available in the `t` folder just type
 
 Using the docker image provided to exploit Openresty in the Storm2 project:
 
-	cp -r t /tmp
-        cd /tmp
-	prove -v
+    cp -r t /tmp
+    cd /tmp
+    prove -v
 
 A copy of the `t` folder is needed since the `prove` command creates a directory `servroot` in `t`.