DOC: Fix minor typos

Found via `codespell -q 3 -I ../numpy-whitelist.txt`

1 files changed, 1 insertions, 1 deletions

diff --git a/numpy/f2py/crackfortran.py b/numpy/f2py/crackfortran.py
index dc560f98e..19ce8c145 100755
--- a/numpy/f2py/crackfortran.py
+++ b/numpy/f2py/crackfortran.py
@@ -612,7 +612,7 @@ multilinepattern = re.compile(
 def split_by_unquoted(line, characters):
     """
     Splits the line into (line[:i], line[i:]),
-    where i is the index of first occurence of one of the characters
+    where i is the index of first occurrence of one of the characters
     not within quotes, or len(line) if no such index exists
     """
     assert not (set('"\'') & set(characters)), "cannot split by unquoted quotes"