fix update CRAN submission docs

Author: zachcp

rcdk/cran-comments.md

@@ -1,5 +1,6 @@
 ## General Comments
 
+- 4th resubmission. Fixed the final URL issue. More long test avoidance on CRAN/linux
 - 3rd resubmission. Fixed the final URL issue. More long test avoidance on CRAN/linux
 - 2nd resubmission. The URL issue seems to be related to CACHE; I've slimmed the Unit tests to fit in time.
 - resubmission with a number of small URL fixes
@@ -12,4 +13,4 @@
 ── R CMD check results ─────────────────────────────── rcdk 3.8.2 ────
 Duration: 25.5s
 
-0 errors ✔ | 0 warnings ✔ | 0 notes ✔
+0 errors ✔ | 0 warnings ✔ | 0 notes ✔