diff --git a/CHANGES.txt b/CHANGES.txt
index c2b907ecd6..8f913cd19a 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -3,6 +3,7 @@
  * RateBasedBackPressure unnecessarily invokes a lock on the Guava RateLimiter (CASSANDRA-14163)
  * Fix wildcard GROUP BY queries (CASSANDRA-14209)
 Merged from 3.0:
+ * Adding missing WriteType enum values to v3,v4 and v5 spec (CASSANDRA-13697)
  * Don't regenerate bloomfilter and summaries on startup (CASSANDRA-11163)
  * Fix NPE when performing comparison against a null frozen in LWT (CASSANDRA-14087)
  * Log when SSTables are deleted (CASSANDRA-14302)
diff --git a/doc/native_protocol_v3.spec b/doc/native_protocol_v3.spec
index c38e26cd87..9b1084ba1a 100644
--- a/doc/native_protocol_v3.spec
+++ b/doc/native_protocol_v3.spec
@@ -979,6 +979,7 @@ Table of Contents
                              - "BATCH_LOG": the timeout occured during the
                                write to the batch log when a (logged) batch
                                write was requested.
+                             - "CAS": the timeout occured during the Compare And Set write/update.
     0x1200    Read_timeout: Timeout exception during a read request. The rest
               of the ERROR message body will be
                 <cl><received><blockfor><data_present>
diff --git a/doc/native_protocol_v4.spec b/doc/native_protocol_v4.spec
index 2188a330ca..5e1e01d2dd 100644
--- a/doc/native_protocol_v4.spec
+++ b/doc/native_protocol_v4.spec
@@ -1068,6 +1068,12 @@ Table of Contents
                              - "BATCH_LOG": the timeout occurred during the
                                write to the batch log when a (logged) batch
                                write was requested.
+                             - "CAS": the timeout occured during the Compare And Set write/update.
+                             - "VIEW": the timeout occured when a write involves
+                                VIEW update and failure to acqiure local view(MV)
+                                lock for key within timeout
+                             - "CDC": the timeout occured when cdc_total_space_in_mb is
+                                exceeded when doing a write to data tracked by cdc.
     0x1200    Read_timeout: Timeout exception during a read request. The rest
               of the ERROR message body will be
                 <cl><received><blockfor><data_present>
@@ -1135,6 +1141,12 @@ Table of Contents
                              - "BATCH_LOG": the failure occured during the
                                write to the batch log when a (logged) batch
                                write was requested.
+                             - "CAS": the failure occured during the Compare And Set write/update.
+                             - "VIEW": the failure occured when a write involves
+                                VIEW update and failure to acqiure local view(MV)
+                                lock for key within timeout
+                             - "CDC": the failure occured when cdc_total_space_in_mb is
+                                exceeded when doing a write to data tracked by cdc.
 
     0x2000    Syntax_error: The submitted query has a syntax error.
     0x2100    Unauthorized: The logged user doesn't have the right to perform
diff --git a/doc/native_protocol_v5.spec b/doc/native_protocol_v5.spec
index 36ffc4c03c..ada0e9f0e7 100644
--- a/doc/native_protocol_v5.spec
+++ b/doc/native_protocol_v5.spec
@@ -1108,6 +1108,12 @@ Table of Contents
                              - "BATCH_LOG": the timeout occurred during the
                                write to the batch log when a (logged) batch
                                write was requested.
+                            - "CAS": the timeout occured during the Compare And Set write/update.
+                            - "VIEW": the timeout occured when a write involves
+                              VIEW update and failure to acqiure local view(MV)
+                              lock for key within timeout
+                            - "CDC": the timeout occured when cdc_total_space_in_mb is
+                              exceeded when doing a write to data tracked by cdc.
     0x1200    Read_timeout: Timeout exception during a read request. The rest
               of the ERROR message body will be
                 <cl><received><blockfor><data_present>
@@ -1183,6 +1189,12 @@ Table of Contents
                              - "BATCH_LOG": the failure occured during the
                                write to the batch log when a (logged) batch
                                write was requested.
+                            - "CAS": the failure occured during the Compare And Set write/update.
+                            - "VIEW": the failure occured when a write involves
+                              VIEW update and failure to acqiure local view(MV)
+                              lock for key within timeout
+                            - "CDC": the failure occured when cdc_total_space_in_mb is
+                              exceeded when doing a write to data tracked by cdc.
 
     0x2000    Syntax_error: The submitted query has a syntax error.
     0x2100    Unauthorized: The logged user doesn't have the right to perform