docs: Fix a broken link to the submit type within the project config

This is a fixup for 2188598.

Change-Id: I5f9881210123756b6e6b8c240fcbf776c202e78b
diff --git a/Documentation/config-project-config.txt b/Documentation/config-project-config.txt
index 8962632..6b0c7cf 100644
--- a/Documentation/config-project-config.txt
+++ b/Documentation/config-project-config.txt
@@ -319,7 +319,7 @@
 - 'mergeContent': Defines whether to automatically merge changes.  Valid values
 are 'true', 'false', or 'INHERIT'.  Default is 'INHERIT'.
 
-- 'action': defines the #submit-type[submit type].  Valid
+- 'action': defines the link:#submit-type[submit type].  Valid
 values are 'fast forward only', 'merge if necessary', 'rebase if necessary',
 'merge always' and 'cherry pick'.  The default is 'merge if necessary'.