[PATCH] doc: fix formatting of function-wrap shell alias

["Kyle E. Mitchell" <kyle@kemitchell.com>]

Add a missed backtick to the end of a code segment so that it will be
rendered like preceding examples.

I deeply appreciate the thoroughness of this documentation.  I noticed
the formatting discrepancy reading https://git-scm.com/docs/git-config.

Signed-off-by: Kyle E. Mitchell <kyle@kemitchell.com>
---
 Documentation/config/alias.adoc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/config/alias.adoc b/Documentation/config/alias.adoc
index 2c5db0ad84..95825354bf 100644
--- a/Documentation/config/alias.adoc
+++ b/Documentation/config/alias.adoc
@@ -38,6 +38,6 @@ it will be treated as a shell command.  For example, defining
 ** A convenient way to deal with this is to write your script
    operations in an inline function that is then called with any
    arguments from the command-line.  For example `alias.cmd = "!c() {
-   echo $1 | grep $2 ; }; c" will correctly execute the prior example.
+   echo $1 | grep $2 ; }; c"` will correctly execute the prior example.
 ** Setting `GIT_TRACE=1` can help you debug the command being run for
    your alias.
-- 
2.51.0