detect/noalert: point noalert/alert to new doc

src/detect-noalert.c

@@ -50,13 +50,13 @@ void DetectNoalertRegister(void)
 {
     sigmatch_table[DETECT_NOALERT].name = "noalert";
     sigmatch_table[DETECT_NOALERT].desc = "no alert will be generated by the rule";
-    sigmatch_table[DETECT_NOALERT].url = "/rules/flow-keywords.html";
+    sigmatch_table[DETECT_NOALERT].url = "/rules/noalert.html";
     sigmatch_table[DETECT_NOALERT].Setup = DetectNoalertSetup;
     sigmatch_table[DETECT_NOALERT].flags |= SIGMATCH_NOOPT;
 
     sigmatch_table[DETECT_ALERT].name = "alert";
     sigmatch_table[DETECT_ALERT].desc = "alert will be generated by the rule";
-    sigmatch_table[DETECT_ALERT].url = "/rules/flow-keywords.html";
+    sigmatch_table[DETECT_ALERT].url = "/rules/noalert.html";
     sigmatch_table[DETECT_ALERT].Setup = DetectAlertSetup;
     sigmatch_table[DETECT_ALERT].flags |= SIGMATCH_NOOPT;
 }