diff --git a/pages/docs/configuration/configuration-mapping.md b/pages/docs/configuration/configuration-mapping.md
index 225be14014..a295e20bf4 100644
--- a/pages/docs/configuration/configuration-mapping.md
+++ b/pages/docs/configuration/configuration-mapping.md
@@ -105,7 +105,7 @@ Geometric multiscale mapping enables the coupling of dimensionally heterogeneous
We differentiate between _axial_ and _radial_ geometric multiscale mapping:
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+
In a 1D-3D mapping, axial mapping maps between one point at the boundary of the 1D domain and multiple points at a surface of a 3D domain, while the domains are connected over a main axis.
Radial mapping maps between multiple (internal) points of the 1D domain and multiple points at a surface of a 3D domain. In a 1D-3D domain, the 3D domain can encapsulate the 1D domain, or the 1D domain can be a line on the surface of the 3D domain.