docs: update copy

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/blas/base/wasm/sdsdot/docs/repl.txt

@@ -9,7 +9,7 @@
     Indexing is relative to the first index. To introduce an offset, use typed
     array views.
 
-    If `N <= 0`, both the functions return `0`.
+    If `N <= 0`, the function returns `0`.
 
     Parameters
     ----------