diff --git a/docs/getting_started/installation.md b/docs/getting_started/installation.md
index b952d13..ac990cd 100644
--- a/docs/getting_started/installation.md
+++ b/docs/getting_started/installation.md
@@ -254,6 +254,7 @@ Below you'll find examples showing what the input file might contain for a [Cata
     },
     "server_config": {
         "advanced_settings": {
+            "checksum_read_buffer_size_in_bytes": 1048576,
             "default_log_rotation_in_days": 5,
             "default_number_of_transfer_threads": 4,
             "default_temporary_password_lifetime_in_seconds": 120,
@@ -420,6 +421,7 @@ Below you'll find examples showing what the input file might contain for a [Cata
     },
     "server_config": {
         "advanced_settings": {
+            "checksum_read_buffer_size_in_bytes": 1048576,
             "default_log_rotation_in_days": 5,
             "default_number_of_transfer_threads": 4,
             "default_temporary_password_lifetime_in_seconds": 120,
diff --git a/docs/system_overview/configuration.md b/docs/system_overview/configuration.md
index a20adc5..7d4f3e0 100644
--- a/docs/system_overview/configuration.md
+++ b/docs/system_overview/configuration.md
@@ -25,6 +25,10 @@ This file defines the behavior of the server Agent that answers individual reque
         // Changing this value requires a server restart in order to take effect.
         "agent_factory_watcher_sleep_time_in_seconds": 5,
 
+        // (Optional)
+        // The buffer size used for reading a replica during checksum calculations.
+        "checksum_read_buffer_size_in_bytes": 1048576
+
         // The number of threads used for parallel transfers.
         "default_number_of_transfer_threads": 4,