diff --git a/src/parser/parser.f b/src/parser/parser.f
index 6ffeeb3..69c0f8b 100644
--- a/src/parser/parser.f
+++ b/src/parser/parser.f
@@ -623,6 +623,8 @@
 !     read the parameter keys defined in keys.incl
 !************************************************************************
 
+!     TODO: automate parameter key generation.
+
       call parameterkey_read
      >     (infile,linenum,p,p_act,p_spread,npar,gspread,facspread)