fix various doc typos #3320
diff --git a/Doc/library/select.rst b/Doc/library/select.rst
index 3fef993..5e079bb 100644
--- a/Doc/library/select.rst
+++ b/Doc/library/select.rst
@@ -338,7 +338,7 @@
    +---------------------------+---------------------------------------------+
    | :const:`KQ_EV_DISABLE`    | Disablesevent                               |
    +---------------------------+---------------------------------------------+
-   | :const:`KQ_EV_ONESHOT`    | Removes event after first occurence         |
+   | :const:`KQ_EV_ONESHOT`    | Removes event after first occurrence        |
    +---------------------------+---------------------------------------------+
    | :const:`KQ_EV_CLEAR`      | Reset the state after an event is retrieved |
    +---------------------------+---------------------------------------------+
@@ -373,7 +373,7 @@
    +============================+============================================+
    | :const:`KQ_NOTE_DELETE`    | *unlink()* was called                      |
    +----------------------------+--------------------------------------------+
-   | :const:`KQ_NOTE_WRITE`     | a write occured                            |
+   | :const:`KQ_NOTE_WRITE`     | a write occurred                           |
    +----------------------------+--------------------------------------------+
    | :const:`KQ_NOTE_EXTEND`    | the file was extended                      |
    +----------------------------+--------------------------------------------+