fix typo; thanks to Jérôme Mainka from docs@
diff --git a/Doc/library/random.rst b/Doc/library/random.rst
index 31cb945..5aa1262 100644
--- a/Doc/library/random.rst
+++ b/Doc/library/random.rst
@@ -309,7 +309,7 @@
>>> random.sample([1, 2, 3, 4, 5], 3) # Three samples without replacement
[4, 1, 5]
-A common task is to make a :func:`random.choice` with weighted probababilites.
+A common task is to make a :func:`random.choice` with weighted probabilities.
If the weights are small integer ratios, a simple technique is to build a sample
population with repeats::