5 files changed, 15 insertions, 8 deletions
diff --git a/doc/context/documents/general/manuals/luatex.pdf b/doc/context/documents/general/manuals/luatex.pdf
index 553b1613d..f01b77711 100644
--- a/doc/context/documents/general/manuals/luatex.pdf
+++ b/doc/context/documents/general/manuals/luatex.pdf
diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-nodes.tex b/doc/context/sources/general/manuals/luametatex/luametatex-nodes.tex
index 63386ed02..c7eb9013d 100644
--- a/doc/context/sources/general/manuals/luametatex/luametatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luametatex/luametatex-nodes.tex
@@ -1436,8 +1436,8 @@ This helper returns the location of the first match at or after node \type {n}:
 
 \libindex {setglue}
 
-You can set the properties of a glue in one go. If you pass no values, the glue
-will become a zero glue.
+You can set the five properties of a glue in one go. If a non|-|numeric value is
+passed the property becomes zero.
 
 \startfunctioncall
 node.setglue(<node> n)
diff --git a/doc/context/sources/general/manuals/luametatex/luametatex-tex.tex b/doc/context/sources/general/manuals/luametatex/luametatex-tex.tex
index 737f3b960..09c4233a0 100644
--- a/doc/context/sources/general/manuals/luametatex/luametatex-tex.tex
+++ b/doc/context/sources/general/manuals/luametatex/luametatex-tex.tex
@@ -734,10 +734,10 @@ We have similar setters for \type {count}, \type {dimen}, \type {muskip}, and
 nodes, and toks by strings.
 
 Again the glue variants are not using the \nod {glue-spec} userdata nodes. The
-\type {setglue} function accepts upto 5 arguments: width, stretch, shrink,
-stretch order and shrink order and the \type {getglue} function reports them,
-unless the second argument is \type {false} in which case only the width is
-returned.
+\type {setglue} function accepts upto five arguments: width, stretch, shrink,
+stretch order and shrink order. Non|-|numeric values set the property to zero.
+The \type {getglue} function reports all five properties, unless the second
+argument is \type {false} in which case only the width is returned.
 
 Here is an example using a threesome:
 
diff --git a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
index 21e8a2808..a379b7b0a 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -1935,8 +1935,8 @@ character protrusion is active, this node can be skipped.
 
 \libindex {setglue}
 
-You can set the properties of a glue in one go. If you pass no values, the glue
-will become a zero glue.
+You can set the five properties of a glue in one go. Non|-|numeric values are
+equivalent to zero and reset a property.
 
 \startfunctioncall
 node.setglue(<node> n)
diff --git a/doc/context/sources/general/manuals/luatex/luatex.tex b/doc/context/sources/general/manuals/luatex/luatex.tex
index 5a98f2243..24fcf979b 100644
--- a/doc/context/sources/general/manuals/luatex/luatex.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex.tex
@@ -23,6 +23,13 @@
 % comment   : Some (parts of) chapters might have been published in TugBoat, the NTG Maps, the
 %             ConTeXt Group journal or otherwise. Thanks to the editors for corrections. Also
 %             thanks to users for testing, feedback and corrections.
+%
+% comment   : Of course specific distribution can add to the manual, but that is of course not
+%             our responsibility. The official (latest) version of this manual is part of the
+%             ConTeXt distribution, including a pdf file that is produced with the current
+%             version of ConTeXt. So, in case of doubt use that one as reference. Some of the
+%             improvements in the LuaMetaTeX manual that apply to LuaTeX might get retrofitted
+%             in LuaTeX manual in due time.
 
 % \tex vs \type vs \syntax vs. \luatex
 % \em \it \/