Fix typos

Author: kaushikcfd

pyopencl/tools.py

@@ -772,7 +772,7 @@ def pytest_generate_tests_for_pyopencl(metafunc: pytest.Metafunc) -> None:
     functions, and they will automatically be run for each OpenCL device/platform
     in the system, as appropriate.
 
-    The following two environment variabls is also supported to control
+    The following two environment variables is also supported to control
     device/platform choice::
 
         PYOPENCL_TEST=0:0,1;intel=i5,i7

test/test_array.py

@@ -462,7 +462,7 @@ def test_pow_number(ctx_factory: cl.CtxFactory):
 # {{{ test_multiply
 
 def test_multiply(ctx_factory: cl.CtxFactory):
-    """Test the muliplication of an array with a scalar. """
+    """Test the multiplication of an array with a scalar. """
 
     context = ctx_factory()
     queue = cl.CommandQueue(context)