Update function description

Author: kaisoz

safeptr.go

@@ -19,9 +19,11 @@ limitations under the License.
 
 package klog
 
-// SafePtr accepts a pointer of any type (T) as an argument and returns th
+// SafePtr accepts a pointer of any type (T) as an argument and returns the
 // same pointer if it's not nil, otherwise it returns nil.
-// This function is useful for safely handling pointers and preventing nil pointer dereferencing.
+// This function is useful for safely handling pointers and preventing nil pointer dereferencing when the type
+//
+// a) implements interfaces called by the logger like `fmt.Stringer` and b) those implementations do not check for nil themselves.
 func SafePtr[T any](p *T) any {
 if p == nil {
 return nil