[bot] documentation_updates (#15645)

Co-authored-by: SpacemacsBot <not@an.actual.email.beep.boop>

layers/+checkers/syntax-checking/README.org

@@ -121,7 +121,7 @@ displayed on the fringe to indicate an error. (A bitmap is a string or a vector
 of bits, see =define-fringe-bitmap= for details.) The default fringe bitmap in
 Spacemacs is a small solid circle.
 
-If =flycheck-indication-mode= is  to =left-margin= or =right-margin=, a string
+If =flycheck-indication-mode= is to =left-margin= or =right-margin=, a string
 displayed on the fringe to indicate an error. Spacemacs doesn't change the
 margin string so the default value is defined in =flycheck=.
 

layers/+misc/nav-flash/README.org

@@ -30,7 +30,6 @@ To use this configuration layer, add =nav-flash= to the existing
 * Customization
 ** Custom Trigger of =nav-flash=
 =nav-flash= layer works around the following functions:
-
 - =nav-flash/blink-cursor-maybe= blinks the line containing the point unless
   current major mode or current command is excluded, or if =so-long-minor-mode=
   is on.
@@ -41,16 +40,16 @@ They are added to [[https://www.gnu.org/software/emacs/manual/html_node/elisp/Ho
 =nav-flash= in more context viaa =dotspacemacs/user-config=, for example:
 
 #+BEGIN_SRC emacs-lisp
-;; blink after triggering evil-window-left/right/up/down
+  ;; blink after triggering evil-window-left/right/up/down
-(advice-add #'evil-window-left  :after #'nav-flash/blink-cursor-maybe)
+  (advice-add #'evil-window-left  :after #'nav-flash/blink-cursor-maybe)
-(advice-add #'evil-window-right :after #'nav-flash/blink-cursor-maybe)
+  (advice-add #'evil-window-right :after #'nav-flash/blink-cursor-maybe)
-(advice-add #'evil-window-up    :after #'nav-flash/blink-cursor-maybe)
+  (advice-add #'evil-window-up    :after #'nav-flash/blink-cursor-maybe)
-(advice-add #'evil-window-down  :after #'nav-flash/blink-cursor-maybe)
+  (advice-add #'evil-window-down  :after #'nav-flash/blink-cursor-maybe)
 
-;; blink after a delay in after projectile-switch-project
+  ;; blink after a delay in after projectile-switch-project
-(spacemacs/add-to-hooks #'nav-flash/delayed-blink-cursor-h
+  (spacemacs/add-to-hooks #'nav-flash/delayed-blink-cursor-h
-                        '(projectile-after-switch-project-hook)
+                          '(projectile-after-switch-project-hook)
-                        t)
+                          t)
 #+END_SRC
 
 ** Exclusion Rules
@@ -60,8 +59,8 @@ the command or the major mode is excluded, which can be customized via variables
 =dotspacemacs/user-config=. For example,
 
 #+BEGIN_SRC emacs-lisp
-;; don't trigger in dired-mode
+  ;; don't trigger in dired-mode
-(add-to-list 'nav-flash-exclude-modes 'dired-mode )
+  (add-to-list 'nav-flash-exclude-modes 'dired-mode )
-;; don't trigger for spacemacs/alternate-buffer (SPC TAB)
+  ;; don't trigger for spacemacs/alternate-buffer (SPC TAB)
-(add-to-list 'nav-flash-exclude-commands 'spacemacs/alternate-buffer)
+  (add-to-list 'nav-flash-exclude-commands 'spacemacs/alternate-buffer)
 #+END_SRC

layers/LAYERS.org

@@ -349,11 +349,11 @@ Features:
 ** Syntax Checking
 [[file:+checkers/syntax-checking/README.org][+checkers/syntax-checking/README.org]]
 
-This layer adds on the fly syntax checking to all supported language layers.
+This layer adds on-the-fly syntax checking to all supported language layers.
 
 Features:
-- Support for automatic syntax checking with [[http://www.flycheck.org/][Flycheck]] for various language layers
+- Automatic syntax checking with [[http://www.flycheck.org/][Flycheck]] for various language layers.
-- Tooltip syntax errors with =popwin=
+- Shows syntax error in pop-up window via [[https://github.com/flycheck/flycheck-pos-tip][flycheck-pos-tip]].
 
 * Completion
 ** Auto-completion