diff --git a/doc/reference/material.rst b/doc/reference/material.rst
index d3c6321e8..ac6057149 100644
--- a/doc/reference/material.rst
+++ b/doc/reference/material.rst
@@ -37,9 +37,9 @@ The following properties are included:
 The X-ray lines energies are taken from Chantler et al. [1]_.
 
 The line weight, more precisely the approximate line weight for K, L, M
-shells are taken from Electron Probe Quantification (EPQ) library [2]_.
+shells are taken from the Electron Probe Quantification (EPQ) library [2]_.
 
-The field ``threshold`` and ``edge`` are taken from Gatan EELS atlas
+The field ``threshold`` and ``edge`` are taken from the Gatan EELS atlas
 https://eels.info/atlas, as retrieved in June 2020.
 
 Examples
diff --git a/exspy/_misc/elements.py b/exspy/_misc/elements.py
index 202ea5c13..35cb37bb4 100644
--- a/exspy/_misc/elements.py
+++ b/exspy/_misc/elements.py
@@ -4999,9 +4999,9 @@
 The X-ray lines energies are taken from Chantler et al. [1]_.
 
 The line weight, more precisely the approximate line weight for K, L, M
-shells are taken from Electron Probe Quantification (EPQ) library [2]_.
+shells are taken from the Electron Probe Quantification (EPQ) library [2]_.
 
-The field ``threshold`` and ``edge`` are taken from Gatan EELS atlas
+The field ``threshold`` and ``edge`` are taken from the Gatan EELS atlas
 https://eels.info/atlas, as retrieved in June 2020.
 
 Examples