[PATCH] Security: Documentation: fix: `make htmldocs` warnings

[Puranjay Mohan]

Remove extra ')' after function name to fix warnings.
It solves following warning :
WARNING: Unparseable C cross-reference: 'groups_sort)'
Invalid C declaration: Expected end of definition. [error at 11]

Signed-off-by: Puranjay Mohan <puranjay12@xxxxxxxxx>
---
 Documentation/security/credentials.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/security/credentials.rst b/Documentation/security/credentials.rst
index 282e79feee6a..d51e42b92395 100644
--- a/Documentation/security/credentials.rst
+++ b/Documentation/security/credentials.rst
@@ -455,7 +455,7 @@ When replacing the group list, the new list must be sorted before it
 is added to the credential, as a binary search is used to test for
 membership.  In practice, this means :c:func:`groups_sort` should be
 called before :c:func:`set_groups` or :c:func:`set_current_groups`.
-:c:func:`groups_sort)` must not be called on a ``struct group_list`` which
+:c:func:`groups_sort` must not be called on a ``struct group_list`` which
 is shared as it may permute elements as part of the sorting process
 even if the array is already sorted.
 
-- 
2.27.0