diff --git a/docs/source/shared/abbreviations.rst b/docs/source/shared/abbreviations.rst
index 1d69fa6d..8851df88 100644
--- a/docs/source/shared/abbreviations.rst
+++ b/docs/source/shared/abbreviations.rst
@@ -11,9 +11,16 @@
 .. |FFNS| replace::
     :abbr:`FFNS (Fixed Flavor Number Scheme)`
 
+.. |FFN0| replace::
+    :abbr:`FFN0 (Asymptotic Fixed Flavor Number Scheme)`
+
 .. |VFNS| replace::
     :abbr:`VFNS (Variable Flavor Number Scheme)`
 
+.. |FONLL| replace::
+    :abbr:`FONLL (Fixed Order Next-to-Leading Log)`
+
+
 
 .. perturbative orders
 .. |LO| replace::