diff --git a/Documentation/ReleaseNotes/NuttX-12.3.0 b/Documentation/ReleaseNotes/NuttX-12.3.0
index db955bb7f7..e5bcd17ea3 100644
--- a/Documentation/ReleaseNotes/NuttX-12.3.0
+++ b/Documentation/ReleaseNotes/NuttX-12.3.0
@@ -566,7 +566,7 @@ Drivers With Improvements
 * [#10778](https://github.com/apache/nuttx/pull/10778) mmcsd: add get emmc cid register interface.
 * [#10168](https://github.com/apache/nuttx/pull/10168) mmcsd: fix byte_block_count error in byte mode
 * [#10440](https://github.com/apache/nuttx/pull/10440) mmcsd: fix regression causing emmcsd not working
-* [#9937](https://github.com/apache/nuttx/pull/9937) mmcsd: mmcsd_sdio: config timout to write one data block
+* [#9937](https://github.com/apache/nuttx/pull/9937) mmcsd: mmcsd_sdio: config timeout to write one data block
 * [#10560](https://github.com/apache/nuttx/pull/10560) mmcsd: Rename mmc_rpmb_frame_s to rpmb_frame
 * [#10732](https://github.com/apache/nuttx/pull/10732) mmcsd: support dump cid and csd with mmc-utils
 * [#10672](https://github.com/apache/nuttx/pull/10672) mmcsd: update cid reg layout
diff --git a/arch/arm/src/samv7/sam_serial.c b/arch/arm/src/samv7/sam_serial.c
index 5c21116d13..a3d412f545 100644
--- a/arch/arm/src/samv7/sam_serial.c
+++ b/arch/arm/src/samv7/sam_serial.c
@@ -1371,7 +1371,7 @@ static int sam_dma_setup(struct uart_dev_s *dev)
 
       sam_dmastart_circular(priv->rxdma, sam_dma_rxcallback, (void *)dev);
 
-      /* Use defined timout to check if RX bus is in idle state */
+      /* Use defined timeout to check if RX bus is in idle state */
 
       sam_serialout(priv, SAM_UART_RTOR_OFFSET,
                     CONFIG_SAMV7_SERIAL_DMA_TIMEOUT);
diff --git a/net/icmp/Kconfig b/net/icmp/Kconfig
index aae4573468..865c492b51 100644
--- a/net/icmp/Kconfig
+++ b/net/icmp/Kconfig
@@ -32,7 +32,7 @@ config NET_ICMP_PMTU_TIMEOUT
 	default 10
 	depends on NET_ICMP_PMTU_ENTRIES != 0
 	---help---
-		The timout of the ICMP pmtu entry
+		The timeout of the ICMP pmtu entry
 
 config NET_ICMP_SOCKET
 	bool "IPPROTO_ICMP socket support"
diff --git a/net/icmpv6/Kconfig b/net/icmpv6/Kconfig
index f430081352..d831dcebab 100644
--- a/net/icmpv6/Kconfig
+++ b/net/icmpv6/Kconfig
@@ -34,7 +34,7 @@ config NET_ICMPv6_PMTU_TIMEOUT
 	default 10
 	depends on NET_ICMPv6_PMTU_ENTRIES != 0
 	---help---
-		The timout of the ICMPv6 pmtu entry
+		The timeout of the ICMPv6 pmtu entry
 
 config NET_ICMPv6_SOCKET
 	bool "IPPROTO_ICMP6 socket support"