diff --git a/designs/mctp.md b/designs/mctp.md
index dc8bc48..2d794b8 100644
--- a/designs/mctp.md
+++ b/designs/mctp.md
@@ -52,7 +52,7 @@
 over MCTP - for example, the host device, the BMC, or any other
 system peripheral - static or hot-pluggable.
 
-This document is focussed on the "transport" part of the platform design.
+This document is focused on the "transport" part of the platform design.
 While this does enable new messaging protocols (mainly PLDM), those
 components are not covered in detail much; we will propose those parts
 in separate design efforts. For example, the PLDM design at
diff --git a/designs/nvmemi_over_SMbus.md b/designs/nvmemi_over_SMbus.md
index 9841397..bd61112 100644
--- a/designs/nvmemi_over_SMbus.md
+++ b/designs/nvmemi_over_SMbus.md
@@ -48,7 +48,7 @@
 
 Create a D-bus service "xyz.openbmc_project.nvme.manager" with object paths for
 each NVMe sensor: "/xyz/openbmc_project/sensors/temperature/nvme0",
-"/xyz/openbmc_project/sensors/temperature/nvme1", ect.
+"/xyz/openbmc_project/sensors/temperature/nvme1", etc.
 There is a JSON configuration file for drive index, bus ID, and the fault LED
 object path for each drive.
 For example,
@@ -223,4 +223,4 @@
 of getting NVMe information.
 - It tests the function of setting values to D-bus is as same as design.
 - It tests the function of turn the corresponding LED ON/OFF by different
-Smartwarnings values.
\ No newline at end of file
+Smartwarnings values.
diff --git a/development/add-new-system.md b/development/add-new-system.md
index 1742fc1..cc85a13 100644
--- a/development/add-new-system.md
+++ b/development/add-new-system.md
@@ -626,7 +626,7 @@
    ```
 * `events-config` defines the various events and its handlers, e.g. which fan
    targets shall be set in which temperature.
-   This config is a bit complicated, the [exmaple event yaml][17] provides
+   This config is a bit complicated, the [example event yaml][17] provides
    documents and examples.
    Romulus example:
    ```
diff --git a/ipmi-architecture.md b/ipmi-architecture.md
index ebd5c2a..eb13f90 100644
--- a/ipmi-architecture.md
+++ b/ipmi-architecture.md
@@ -36,7 +36,7 @@
                 :                                             |     |
      /-------------------------\                              |     |
      | Active session/SOL Objs | <---------Query the session-/      |
-     | - Properities           |           and SOL data via Dbus    |
+     | - Properties            |           and SOL data via Dbus    |
      \-------------------------/                                    |
                                                                     V
                                                      ---------------------\