chore: update fixture script example

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---

Author: officiallyanee

lib/node_modules/@stdlib/math/base/special/legendre-polynomial/test/fixtures/python/runner.py

@@ -35,14 +35,14 @@ def gen(n, x, name):
 
     # Arguments
 
-    * `n`: degrees
-    * `x`: evaluation points
+    * `n`: degree
+    * `x`: evaluation point
     * `name::str`: output filename
 
     # Examples
 
     ``` python
-    python> n = np.arange(0, 30)
+    python> n = np.linspace(0, 30, 30, dtype=int)
     python> x = np.linspace(-1.0, 1.0, 30)
     python> gen(n, x, './data.json')
     ```