diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index dbfe412..72b3c40 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -59,7 +59,7 @@
 - Start working on system initialization.
 - Add data sheets for ADS1115 and AHT20.
 - Handle I2C multiplexer channel selection.
-- Implement USART with bot RX and TX interrupts.
+- Implement USART with both RX and TX interrupts.
 - Rewrite logging system and sync state with clients.
 - Handle numeric arguments for TEMP/DEWP commands.
 - Update documentation and add USART specification.
diff --git a/opt/tools b/opt/tools
index 56c8135..ebe9e06 160000
--- a/opt/tools
+++ b/opt/tools
@@ -1 +1 @@
-Subproject commit 56c81351722e21695067790e6aeb09f78c8e4037
+Subproject commit ebe9e06e50b8a5e44d6d0313c895ce0e775c0e01
diff --git a/opt/webgui b/opt/webgui
index d9f6de6..2e1b577 160000
--- a/opt/webgui
+++ b/opt/webgui
@@ -1 +1 @@
-Subproject commit d9f6de6bd9f2e2ede6f8e0eac5ec951d90332894
+Subproject commit 2e1b57767cdac34373330ba53985c4f763efd05d