diff --git a/source/tutorials.rst b/source/tutorials.rst
index e515195ca..628e2acc5 100644
--- a/source/tutorials.rst
+++ b/source/tutorials.rst
@@ -56,7 +56,7 @@ Vertically separated flight lines also improve accuracy, but less so than a came
:alt: figure showing effect of vertically separated flight lines and forward facing cameras on improving self calibration
:align: center
-*From James and Robson (2014), `CC BY 4.0 `_ .*
+From James and Robson (2014), `CC BY 4.0 `_
Creating Digital Elevation Models
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^