misc. typos
Found via `codespell`
diff --git a/docs/advanced/functions.rst b/docs/advanced/functions.rst
index 3420c5e..e3acff0 100644
--- a/docs/advanced/functions.rst
+++ b/docs/advanced/functions.rst
@@ -126,7 +126,7 @@
.. warning::
- Code with invalid return value policies might access unitialized memory or
+ Code with invalid return value policies might access uninitialized memory or
free data structures multiple times, which can lead to hard-to-debug
non-determinism and segmentation faults, hence it is worth spending the
time to understand all the different options in the table above.