diff --git a/docs/index.md b/docs/index.md
index 25b3194..d2b0bd0 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -104,7 +104,7 @@ Apart from being able to import data in various formats including Gramps XML and
 
 ## Generate printable reports
 
-Since it's built directly on the core powering Gramps Desktop, you can generate almost all of the [reports](https://gramps-project.org/wiki/index.php/Gramps_5.1_Wiki_Manual_-_Reports) the desktop app supports right from the browser, including relationship graphs or book reports as PDF.
+Since it's built directly on the core powering Gramps Desktop, you can generate almost all of the [reports](https://gramps-project.org/wiki/index.php/Gramps_5.2_Wiki_Manual_-_Reports) the desktop app supports right from the browser, including relationship graphs or book reports as PDF.
 
 <div style="clear:both;"></div>
 <hr>
diff --git a/docs/user-guide/import.md b/docs/user-guide/import.md
index c532316..a6e834b 100644
--- a/docs/user-guide/import.md
+++ b/docs/user-guide/import.md
@@ -6,9 +6,9 @@ If you are using Gramps Desktop, there are two steps to prepare your database to
 
 1. Check and repair the database
     - Optional: create a database backup by exporting to Gramps XML
-    - Run the [Check and repair database tool](https://gramps-project.org/wiki/index.php/Gramps_5.1_Wiki_Manual_-_Tools#Check_and_Repair_Database). This fixes some internal inconsistencies that could lead to problems in Gramps Web.
+    - Run the [Check and repair database tool](https://gramps-project.org/wiki/index.php/Gramps_5.2_Wiki_Manual_-_Tools#Check_and_Repair_Database). This fixes some internal inconsistencies that could lead to problems in Gramps Web.
 2. Convert media paths to relative
-    - Use the Gramps Media Manager to [convert all media paths from absolute to relative](https://gramps-project.org/wiki/index.php/Gramps_5.1_Wiki_Manual_-_Tools#Convert_paths_from_relative_to_absolute). Note that even with relative paths, any media files outside of your Gramps media directory will not work properly when synchronized with Gramps Web.
+    - Use the Gramps Media Manager to [convert all media paths from absolute to relative](https://gramps-project.org/wiki/index.php/Gramps_5.2_Wiki_Manual_-_Tools#Convert_paths_from_relative_to_absolute). Note that even with relative paths, any media files outside of your Gramps media directory will not work properly when synchronized with Gramps Web.
 
 ## Import genealogical data
 
diff --git a/docs/user-guide/sync.md b/docs/user-guide/sync.md
index f764c11..8eb1ce6 100644
--- a/docs/user-guide/sync.md
+++ b/docs/user-guide/sync.md
@@ -9,8 +9,13 @@ Using Gramps Web Sync requires tree owner permissions in Gramps Web.
 
 ## Installation
 
-The addon requires Gramps 5.1 running on Python 3.7 or newer.
-It is available in Gramps Desktop and can be installed [in the usual way](https://www.gramps-project.org/wiki/index.php/5.1_Addons#Installing_Addons_in_Gramps).
+The addon requires Gramps 5.2 running on Python 3.8 or newer.
+It is available in Gramps Desktop and can be installed [in the usual way](https://www.gramps-project.org/wiki/index.php/5.2_Addons#Installing_Addons_in_Gramps).
+
+
+!!! warn
+    Please make sure to use the same version of Gramps on your desktop as the one running on your server. See the [Get Help](../help.md) section for how to find out which Gramps version your server is running. The Gramps version has the form `MAJOR.MINOR.PATCH`, and `MAJOR` and `MINOR` must be the same on web and desktop.
+
 
 Optional step: