Update README for v30 (#798)

Author: jrimmer-bendhealth

README.org

@@ -26,7 +26,7 @@ Emacs+ is [[https://www.gnu.org/software/emacs/emacs.html][→ GNU Emacs]] formu
 
 #+begin_src bash
   $ brew tap d12frosted/emacs-plus
-  $ brew install emacs-plus    [options] # install the latest release (Emacs 29)
+  $ brew install emacs-plus    [options] # install the latest release (Emacs 30)
   $ brew install emacs-plus@31 [options] # install Emacs 31 (master)
   $ brew install emacs-plus@30 [options] # install Emacs 30 (emacs-30)
   $ brew install emacs-plus@29 [options] # install Emacs 29
@@ -75,14 +75,14 @@ Feel free to open an issue or contact me via email if you face any issues, quest
 
 Emacs Plus contains separate formulas for different Emacs versions:
 
-- =emacs-plus= install current release version (Emacs 29);
+- =emacs-plus= install current release version (Emacs 30);
 - =emacs-plus@31= install Emacs 31, development version.
-- =emacs-plus@30= install Emacs 30, release branch version.
-- =emacs-plus@29= install Emacs 29, current version.
+- =emacs-plus@30= install Emacs 30, current version.
+- =emacs-plus@29= install Emacs 29, previous version.
 
   #+begin_src bash
   $ brew tap d12frosted/emacs-plus
-  $ brew install emacs-plus    [options] # install the latest release (Emacs 29)
+  $ brew install emacs-plus    [options] # install the latest release (Emacs 30)
   $ brew install emacs-plus@31 [options] # install Emacs 31
   $ brew install emacs-plus@30 [options] # install Emacs 30
   $ brew install emacs-plus@29 [options] # install Emacs 29