fix reference

Author: JTorreG

source/configuration.rst

@@ -5554,7 +5554,7 @@ Example of a CLF line:
 Custom log formatting
 =====================
 
-.. _customm-log-format:
+.. _custom-log-format:
 
 The **access_log** option
 can be also set to an object
@@ -5630,7 +5630,7 @@ The **access_log** can be dynamically turned on and off by using the **if** opti
       - if the value is empty, 0, false, null, or undefined,
         the logs will not be recorded.
 
-This feature lets users set conditions to determine whether access logs are 
+This feature lets users set conditions to determine whether access logs are
 recorded. The **if** option supports a string and JavaScript code.
 If its value is empty, 0, false, null, or undefined, the logs will not be
 recorded. And the '!' as a prefix inverses the condition.

source/scripting.rst

@@ -34,7 +34,7 @@ They can be used with these :doc:`configuration <configuration>` options:
   to enable HTTP redirects.
 
 - **format** in the
-  :ref:`access log <customm-log-format>`
+  :ref:`access log <custom-log-format>`
   to customize Unit's log output.
 
 - **if** in the