diff --git a/gomall/tutorial/ch09/app/frontend/template/required.tmpl b/gomall/tutorial/ch09/app/frontend/template/required.tmpl
index 328fecf..8eff4f5 100644
--- a/gomall/tutorial/ch09/app/frontend/template/required.tmpl
+++ b/gomall/tutorial/ch09/app/frontend/template/required.tmpl
@@ -1,3 +1,3 @@
-{{ define "requried" }}
+{{ define "required" }}
 <span class="text-danger">*</span>
 {{ end }}
\ No newline at end of file
diff --git a/gomall/tutorial/ch09/app/frontend/template/sign-in.tmpl b/gomall/tutorial/ch09/app/frontend/template/sign-in.tmpl
index 765e9b5..d28b617 100644
--- a/gomall/tutorial/ch09/app/frontend/template/sign-in.tmpl
+++ b/gomall/tutorial/ch09/app/frontend/template/sign-in.tmpl
@@ -4,15 +4,15 @@
         <div class="col-4">
         <form method="post" action="/auth/login?next={{ .next }}">
             <div class="mb-3">
-              <label for="email" class="form-label">Email {{template "requried"}}</label>
+              <label for="email" class="form-label">Email {{template "required"}}</label>
               <input type="email" class="form-control" id="email" name="email">
             </div>
             <div class="mb-3">
-              <label for="password" class="form-label">Password {{template "requried"}}</label>
+              <label for="password" class="form-label">Password {{template "required"}}</label>
               <input type="password" class="form-control" id="password" name="password">
             </div>
             <div class="mb-3">
-                Don't hava account, click here to <a href="/sign-up">Sign Up</a>.
+                Don't have account, click here to <a href="/sign-up">Sign Up</a>.
             </div>
             <button type="submit" class="btn btn-primary">Sign In</button>
           </form>
diff --git a/gomall/tutorial/ch09/app/frontend/template/sign-up.tmpl b/gomall/tutorial/ch09/app/frontend/template/sign-up.tmpl
index dd3da31..d306151 100644
--- a/gomall/tutorial/ch09/app/frontend/template/sign-up.tmpl
+++ b/gomall/tutorial/ch09/app/frontend/template/sign-up.tmpl
@@ -4,15 +4,15 @@
         <div class="col-4">
         <form method="post" action="/auth/register">
             <div class="mb-3">
-              <label for="email" class="form-label">Email {{template "requried"}}</label>
+              <label for="email" class="form-label">Email {{template "required"}}</label>
               <input type="email" class="form-control" id="email" name="email">
             </div>
             <div class="mb-3">
-              <label for="password" class="form-label">Password {{template "requried"}}</label>
+              <label for="password" class="form-label">Password {{template "required"}}</label>
               <input type="password" class="form-control" id="password" name="password">
             </div>
             <div class="mb-3">
-                <label for="password_confirm" class="form-label">Password Confirm {{template "requried"}}</label>
+                <label for="password_confirm" class="form-label">Password Confirm {{template "required"}}</label>
                 <input type="password" class="form-control" id="password_confirm" name="password_confirm">
               </div>
             <div class="mb-3">
diff --git a/gomall/tutorial/ch10/app/frontend/template/required.tmpl b/gomall/tutorial/ch10/app/frontend/template/required.tmpl
index 328fecf..8eff4f5 100644
--- a/gomall/tutorial/ch10/app/frontend/template/required.tmpl
+++ b/gomall/tutorial/ch10/app/frontend/template/required.tmpl
@@ -1,3 +1,3 @@
-{{ define "requried" }}
+{{ define "required" }}
 <span class="text-danger">*</span>
 {{ end }}
\ No newline at end of file
diff --git a/gomall/tutorial/ch10/app/frontend/template/sign-in.tmpl b/gomall/tutorial/ch10/app/frontend/template/sign-in.tmpl
index 765e9b5..d28b617 100644
--- a/gomall/tutorial/ch10/app/frontend/template/sign-in.tmpl
+++ b/gomall/tutorial/ch10/app/frontend/template/sign-in.tmpl
@@ -4,15 +4,15 @@
         <div class="col-4">
         <form method="post" action="/auth/login?next={{ .next }}">
             <div class="mb-3">
-              <label for="email" class="form-label">Email {{template "requried"}}</label>
+              <label for="email" class="form-label">Email {{template "required"}}</label>
               <input type="email" class="form-control" id="email" name="email">
             </div>
             <div class="mb-3">
-              <label for="password" class="form-label">Password {{template "requried"}}</label>
+              <label for="password" class="form-label">Password {{template "required"}}</label>
               <input type="password" class="form-control" id="password" name="password">
             </div>
             <div class="mb-3">
-                Don't hava account, click here to <a href="/sign-up">Sign Up</a>.
+                Don't have account, click here to <a href="/sign-up">Sign Up</a>.
             </div>
             <button type="submit" class="btn btn-primary">Sign In</button>
           </form>
diff --git a/gomall/tutorial/ch10/app/frontend/template/sign-up.tmpl b/gomall/tutorial/ch10/app/frontend/template/sign-up.tmpl
index dd3da31..d306151 100644
--- a/gomall/tutorial/ch10/app/frontend/template/sign-up.tmpl
+++ b/gomall/tutorial/ch10/app/frontend/template/sign-up.tmpl
@@ -4,15 +4,15 @@
         <div class="col-4">
         <form method="post" action="/auth/register">
             <div class="mb-3">
-              <label for="email" class="form-label">Email {{template "requried"}}</label>
+              <label for="email" class="form-label">Email {{template "required"}}</label>
               <input type="email" class="form-control" id="email" name="email">
             </div>
             <div class="mb-3">
-              <label for="password" class="form-label">Password {{template "requried"}}</label>
+              <label for="password" class="form-label">Password {{template "required"}}</label>
               <input type="password" class="form-control" id="password" name="password">
             </div>
             <div class="mb-3">
-                <label for="password_confirm" class="form-label">Password Confirm {{template "requried"}}</label>
+                <label for="password_confirm" class="form-label">Password Confirm {{template "required"}}</label>
                 <input type="password" class="form-control" id="password_confirm" name="password_confirm">
               </div>
             <div class="mb-3">