diff --git a/docs/dasharo-tools-suite/documentation/running.md b/docs/dasharo-tools-suite/documentation/running.md
index 76a0533191..5d78ca4fe3 100644
--- a/docs/dasharo-tools-suite/documentation/running.md
+++ b/docs/dasharo-tools-suite/documentation/running.md
@@ -18,10 +18,15 @@ This section describes how to boot DTS using iPXE.
 Below are the requirements that must be met to run DTS over a network on the
 platform:
 
-* Dasharo device with DTS functionality integrated,
+* platform must be running Dasharo UEFI firmware,
 * wired network connection,
-* [Secure Boot disabled](../../dasharo-menu-docs/device-manager.md#secure-boot-configuration),
-* If device if flashed with Dasharo and support following functionality
+* [Secure Boot
+  disabled](../../dasharo-menu-docs/device-manager.md#secure-boot-configuration),
+* [Network Boot
+  enabled](../../dasharo-menu-docs/dasharo-system-features.md#networking-options),
+* if firmware supports following
+  [Dasharo Security
+  Options](../../dasharo-menu-docs/dasharo-system-features.md#dasharo-security-options)
     + disabled BIOS lock feature,
     + disabled SMM BIOS write protection feature.
 
@@ -96,7 +101,7 @@ platform:
   section.
 * Wired network connection,
 * [Secure Boot disabled](../../dasharo-menu-docs/device-manager.md#secure-boot-configuration),
-* If device if flashed with Dasharo and support following functionality
+* If device is flashed with Dasharo and support following functionality
     + disabled BIOS lock feature,
     + disabled SMM BIOS write protection feature.
 
diff --git a/docs/guides/firmware-update.md b/docs/guides/firmware-update.md
index 1b40a6c427..3591820245 100644
--- a/docs/guides/firmware-update.md
+++ b/docs/guides/firmware-update.md
@@ -61,6 +61,23 @@ Here are known issues, grouped by the platform vendor.
 
 ### Generic
 
+#### Firmware doesn't support capsule update in FUM
+
+This issue can happen if DTS was booted via [FUM](#firmware-update-mode) on
+Dasharo firmware version that does not support capsule updates while in FUM.
+It can only occur when in Firmware Update Mode and only if capsules are
+available as this is default way of updating or fusing your firmware.
+
+??? note
+
+    You can read more about this issue at
+    <https://github.com/Dasharo/dasharo-issues/issues/1759>
+
+??? success "Solution"
+
+    Boot DTS without Firmware Update Mode. To do that you can follow
+    [DTS documentation](../../dasharo-tools-suite/documentation/running).
+
 #### Failed to queue capsule update
 
 The most likely reason for this error is enabled ME. If FD region is unlocked,