diff --git a/share/completions/matlab.fish b/share/completions/matlab.fish
index 27b1fd47d..cec5285ee 100644
--- a/share/completions/matlab.fish
+++ b/share/completions/matlab.fish
@@ -1,3 +1,4 @@
+# Completion for: MATLAB R2021b
 function __fish_matlabcheck_no_desktop_nodesktop_opts
     not __fish_seen_argument --old desktop --old nodesktop
     return $status
diff --git a/share/completions/octave.fish b/share/completions/octave.fish
index 47b81c3fa..74e1bb093 100644
--- a/share/completions/octave.fish
+++ b/share/completions/octave.fish
@@ -1,3 +1,5 @@
+# Completion for: GNU Octave 5.2.0
+
 complete -c octave -x -a '(__fish_complete_suffix .m)'
 
 complete -c octave -s h -l help -d 'Show help'