diff --git a/packages/web-developer/public/index.html b/packages/web-developer/public/index.html
index b596775a8e..da4d67a9f7 100644
--- a/packages/web-developer/public/index.html
+++ b/packages/web-developer/public/index.html
@@ -159,7 +159,7 @@ <h2 class='Typography-root Typography-body1 title' id='LoopringDeveloperBox'>
 
 					</span>
           <span class='des Typography-root Typography-subtitle'>
-					 								Trade programatically using the API
+					 								Trade programmatically using the API
 
 					</span>
 
diff --git a/packages/web-earn/ADD_NEW_CHAIN.md b/packages/web-earn/ADD_NEW_CHAIN.md
index 60a3ddd127..9270baad1f 100644
--- a/packages/web-earn/ADD_NEW_CHAIN.md
+++ b/packages/web-earn/ADD_NEW_CHAIN.md
@@ -72,7 +72,7 @@ export const headerMenuDataMap: { [ key: string ]: HeaderMenuItemInterface[] } =
 }
 ```
 
-#### avaiable land page
+#### available land page
 
 ```ts
 export const RouterAllowIndex = {
diff --git a/packages/webapp/ADD_NEW_CHAIN.md b/packages/webapp/ADD_NEW_CHAIN.md
index 60a3ddd127..9270baad1f 100644
--- a/packages/webapp/ADD_NEW_CHAIN.md
+++ b/packages/webapp/ADD_NEW_CHAIN.md
@@ -72,7 +72,7 @@ export const headerMenuDataMap: { [ key: string ]: HeaderMenuItemInterface[] } =
 }
 ```
 
-#### avaiable land page
+#### available land page
 
 ```ts
 export const RouterAllowIndex = {