Fix mispelled word bellow (#3315)

Co-authored-by: ikappaki <[email protected]>

Author: ikappaki

cider.el

@@ -377,7 +377,7 @@ Throws an error if PROJECT-TYPE is unknown."
     ('shadow-cljs (let ((parts (split-string cider-shadow-cljs-command)))
                     (when-let* ((command (cider--resolve-command (car parts))))
                       (mapconcat #'identity (cons command (cdr parts)) " "))))
-    ;; TODO: Address the duplicated code bellow.
+    ;; TODO: Address the duplicated code below.
     ;; here we have to account for the possibility that the command is either
     ;; "nbb" (default) or "npx nbb".
     ('nbb (let ((parts (split-string cider-nbb-command)))