docs: fix desc

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/stats/meanors/docs/repl.txt

@@ -38,8 +38,9 @@
 
 
 {{alias}}.assign( x, out[, options] )
-    Computes the arithmetic mean along one or more ndarray dimensions and
-    assigns results to a provided output ndarray.
+    Computes the arithmetic mean along one or more ndarray dimensions using
+    ordinary recursive summation and assigns results to a provided output
+    ndarray.
 
     Parameters
     ----------