minor #4899 Fix typo: looks => look (ifdattic)

This PR was merged into the 2.3 branch.

Discussion
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Fix typo: looks => look

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets |

Commits
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ac60187 Fix typo: looks => look

cookbook/security/remember_me.rst

@@ -61,7 +61,7 @@ remember me functionality, as it will not always be appropriate. The usual
 way of doing this is to add a checkbox to the login form. By giving the checkbox
 the name ``_remember_me``, the cookie will automatically be set when the checkbox
 is checked and the user successfully logs in. So, your specific login form
-might ultimately looks like this:
+might ultimately look like this:
 
 .. configuration-block::