chore: minor cleanup

Signed-off-by: Gururaj Gurram <[email protected]>

Author: gururaj1512

lib/node_modules/@stdlib/stats/base/sdsnanmean/docs/repl.txt

@@ -66,10 +66,10 @@
         Input array.
 
     strideX: integer
-        Index increment.
+        Stride length for `x`.
 
     offsetX: integer
-        Stride length for `x`.
+        Starting index for `x`.
 
     Returns
     -------