Fix typo in clear_caches docstring
diff --git a/jinja2/utils.py b/jinja2/utils.py
index 2a64ce5..da22e78 100644
--- a/jinja2/utils.py
+++ b/jinja2/utils.py
@@ -109,7 +109,7 @@
"""Jinja2 keeps internal caches for environments and lexers. These are
used so that Jinja2 doesn't have to recreate environments and lexers all
the time. Normally you don't have to care about that but if you are
- messuring memory consumption you may want to clean the caches.
+ measuring memory consumption you may want to clean the caches.
"""
from jinja2.environment import _spontaneous_environments
from jinja2.lexer import _lexer_cache
