Update doc/specs/stdlib_math.md

jalvesz · jvdp1 · web-flow · commit e9b9c106e66e · 2024-09-10T09:41:38.000+02:00
Co-authored-by: Jeremie Vandenplas &lt;jeremie.vandenplas@gmail.com&gt;
diff --git a/doc/specs/stdlib_math.md b/doc/specs/stdlib_math.md
@@ -62,7 +62,7 @@ Here inputs are of type `real` and kind `sp`
 ```
 
 <!-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -->
-### `swap` function
+### `swap` subroutine
 
 #### Description
 
