Fix spelling typo in back scattering documentation

ECP-WarpX · Jan 30, 2025 · 128cca5 · 128cca5
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commit 128cca5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Docs/source/theory/multiphysics/collisions.rst b/Docs/source/theory/multiphysics/collisions.rst
@@ -121,7 +121,7 @@ The particle velocity in the COM frame is then isotropically scattered using the
 Back scattering
 ^^^^^^^^^^^^^^^
 
-The process is the same as for elastic scattering above expect the scattering angle is fixed at :math:`\pi`, meaning the particle velocity in the COM frame is updated to :math:`-\vec{u}_c`.
+The process is the same as for elastic scattering above except the scattering angle is fixed at :math:`\pi`, meaning the particle velocity in the COM frame is updated to :math:`-\vec{u}_c`.
 
 Excitation
 ^^^^^^^^^^