diff --git a/docs/source/gprmodelling.rst b/docs/source/gprmodelling.rst
index 13399db3..9c2eff81 100644
--- a/docs/source/gprmodelling.rst
+++ b/docs/source/gprmodelling.rst
@@ -1,7 +1,7 @@
 .. _guidance:
 
 *************************
-Guidance on GPR Modelling
+Guidance on GPR modelling
 *************************
 
 Basic concepts