Backport commit f1c928637 from Emacs

* doc/org-manual.org (Templates in contexts): Add missing parenthesis to
code example for org-capture template contexts as documented in
docstring.

; * doc/misc/org.org: fix capture context example
f1c9286376d570e898d349200412021fd67e13d2
Hanno Perrey
Sun Oct 31 16:23:41 2021 +0100

doc/org-manual.org

@@ -7981,7 +7981,7 @@ patches.  Then you would configure this option like this:
 
 #+begin_src emacs-lisp
 (setq org-capture-templates-contexts
-      '(("p" (in-mode . "message-mode"))))
+      '(("p" ((in-mode . "message-mode")))))
 #+end_src
 
 You can also tell that the command key {{{kbd(p)}}} should refer to
@@ -7989,7 +7989,7 @@ another template.  In that case, add this command key like this:
 
 #+begin_src emacs-lisp
 (setq org-capture-templates-contexts
-      '(("p" "q" (in-mode . "message-mode"))))
+      '(("p" "q" ((in-mode . "message-mode")))))
 #+end_src
 
 See the docstring of the variable for more information.