Docstring fixes.

* org-capture.el (org-capture-templates-contexts):
* org-agenda.el (org-agenda-custom-commands-contexts):
Docstring fix.

lisp/org-agenda.el

@@ -2390,7 +2390,7 @@ For example, if you have a custom agenda command \"p\" and you
 want this command to be accessible only from plain text files,
 use this:
 
-   '((\"p\" (in-file . \"\\.txt\")))
+   '((\"p\" ((in-file . \"\\.txt\"))))
 
 Here are the available contexts definitions:
 
@@ -2406,7 +2406,7 @@ accessible if there is at least one valid check.
 You can also bind a key to another agenda custom command
 depending on contextual rules.
 
-    '((\"p\" \"q\" (in-file . \"\\.txt\")))
+    '((\"p\" \"q\" ((in-file . \"\\.txt\"))))
 
 Here it means: in .txt files, use \"p\" as the key for the
 agenda command otherwise associated with \"q\".  (The command

lisp/org-capture.el

@@ -451,7 +451,7 @@ For example, if you have a capture template \"c\" and you want
 this template to be accessible only from `message-mode' buffers,
 use this:
 
-   '((\"c\" (in-mode . \"message-mode\")))
+   '((\"c\" ((in-mode . \"message-mode\"))))
 
 Here are the available contexts definitions:
 
@@ -467,11 +467,11 @@ accessible if there is at least one valid check.
 You can also bind a key to another agenda custom command
 depending on contextual rules.
 
-    '((\"c\" \"d\" (in-mode . \"message-mode\")))
+    '((\"c\" \"d\" ((in-mode . \"message-mode\"))))
 
-Here it means: in `message-mode buffers', use \"d\" as the
+Here it means: in `message-mode buffers', use \"c\" as the
 key for the capture template otherwise associated with \"d\".
-\(The template originally associated with \"q\" is not displayed
+\(The template originally associated with \"d\" is not displayed
 to avoid duplicates.)"
   :version "24.3"
   :group 'org-capture