[gnumeric] Docs: fix TEXTJOIN help text.

[Morten Welinder <mortenw src gnome org>]

commit 8518b743f7b1e798aa891a98a052eda5289db4df
Author: Morten Welinder <terra gnome org>
Date:   Thu Aug 4 13:35:07 2016 -0400

    Docs: fix TEXTJOIN help text.

 doc/C/func.defs               |    2 +-
 plugins/fn-string/functions.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/doc/C/func.defs b/doc/C/func.defs
index 98322c5..75914c0 100644
--- a/doc/C/func.defs
+++ b/doc/C/func.defs
@@ -6579,7 +6579,7 @@ The distinction between half-width and full-width characters is described in htt
 
 @CATEGORY=String
 @FUNCTION=TEXTJOIN
-@SHORTDESC=the concatenation of the strings @{s1}, @{s2},… delimited by @del
+@SHORTDESC=the concatenation of the strings @{s1}, @{s2},… delimited by @{del}
 @SYNTAX=TEXTJOIN(del,blank,s1,s2,…)
 @ARGUMENTDESCRIPTION=@{del}: delimiter
 @{blank}: ignore blanks
diff --git a/plugins/fn-string/functions.c b/plugins/fn-string/functions.c
index 575a181..a9b2d9f 100644
--- a/plugins/fn-string/functions.c
+++ b/plugins/fn-string/functions.c
@@ -641,7 +641,7 @@ gnumeric_concat (GnmFuncEvalInfo *ei, int argc, GnmExprConstPtr const *argv)
 /***************************************************************************/
 
 static GnmFuncHelp const help_textjoin[] = {
-       { GNM_FUNC_HELP_NAME, F_("TEXTJOIN:the concatenation of the strings @{s1}, @{s2},\xe2\x80\xa6 
delimited by @del")},
+       { GNM_FUNC_HELP_NAME, F_("TEXTJOIN:the concatenation of the strings @{s1}, @{s2},\xe2\x80\xa6 
delimited by @{del}")},
        { GNM_FUNC_HELP_ARG, F_("del:delimiter")},
        { GNM_FUNC_HELP_ARG, F_("blank:ignore blanks")},
        { GNM_FUNC_HELP_ARG, F_("s1:first string")},