DOCSP-34646 Fix 404 fCV Link (#205) (#207)

* DOCSP-34646 Fix 404 fCV link

* build errors

Author: ajhuh-mdb

source/faq.txt

@@ -115,3 +115,11 @@ If you see slow operation warnings, check CPU, memory, and network usage on the
 source and destination clusters.  If the clusters are underprovisioned for your
 needs, consider upgrading the cluster hardware.
 
+Should I stop a migration if the logs contain the word "error" or "failure"?
+----------------------------------------------------------------------------
+
+No, logs that contain the word "error" or "failure" show non-fatal
+errors and do not signal that you need to stop ``mongosync`` early.
+These logs do not indicate that ``mongosync`` is failing or corrupting
+data. If a fatal error occurs, ``mongosync`` stops the sync and writes a
+fatal log entry. 

source/includes/fact-minimum-fcv.rst

@@ -1,2 +1,2 @@
-The minimum supported server :manual:`feature compatibility version <view-fcv>` 
+The minimum supported server :ref:`feature compatibility version <view-fcv>` 
 is 6.0.