Backport commit 2d71fd3b0 from Emacs

* lisp/ob-table.el (org-sbe): Further quoting fixes in doc strings.

Further doc string quoting fixes
2d71fd3b041506c68b5f1cd1e409e09e25778c34
Lars Ingebrigtsen
Fri Apr 22 17:16:42 2022 +0200

[km] Org's bugfix branch is currently receiving commits from emacs-28,
     but this commit comes from Emacs's master branch.  I'm porting it
     because it has conflicts with bugfix's 01b0fb14b (Backport from
     main: Escape single left quotes in docstrings, 2022-07-24) and
     only touches docstrings.

lisp/ob-table.el

@@ -84,7 +84,7 @@ is the equivalent of the following source code block:
  #+end_src
 
 NOTE: The quotation marks around the function name,
-'source-block', are optional.
+`source-block', are optional.
 
 NOTE: By default, string variable names are interpreted as
 references to source-code blocks, to force interpretation of a