diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 7794bebc2..22e621260 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -947,6 +947,7 @@ common/views/components/api-settings.vue:
     title: 'APIコンソール'
     endpoint: 'エンドポイント'
     parameter: 'パラメータ'
+    credential-info: "「i」パラメータは自動で付与されます。"
     send: '送信'
     sending: '応答待ち'
     response: '結果'
diff --git a/src/client/app/admin/views/emoji.vue b/src/client/app/admin/views/emoji.vue
index 27db4d572..155fae82a 100644
--- a/src/client/app/admin/views/emoji.vue
+++ b/src/client/app/admin/views/emoji.vue
@@ -6,11 +6,11 @@
 			<ui-horizon-group inputs>
 				<ui-input v-model="name">
 					<span>%i18n:@add-emoji.name%</span>
-					<span slot="text">%i18n:@add-emoji.name-desc%</span>
+					<span slot="desc">%i18n:@add-emoji.name-desc%</span>
 				</ui-input>
 				<ui-input v-model="aliases">
 					<span>%i18n:@add-emoji.aliases%</span>
-					<span slot="text">%i18n:@add-emoji.aliases-desc%</span>
+					<span slot="desc">%i18n:@add-emoji.aliases-desc%</span>
 				</ui-input>
 			</ui-horizon-group>
 			<ui-input v-model="url">
diff --git a/src/client/app/admin/views/instance.vue b/src/client/app/admin/views/instance.vue
index c5c7c6614..050fb6617 100644
--- a/src/client/app/admin/views/instance.vue
+++ b/src/client/app/admin/views/instance.vue
@@ -13,8 +13,8 @@
 		<section class="fit-bottom">
 			<header><fa icon="cloud"/> %i18n:@drive-config%</header>
 			<ui-switch v-model="cacheRemoteFiles">%i18n:@cache-remote-files%<span slot="desc">%i18n:@cache-remote-files-desc%</span></ui-switch>
-			<ui-input v-model="localDriveCapacityMb">%i18n:@local-drive-capacity-mb%<span slot="text">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
-			<ui-input v-model="remoteDriveCapacityMb" :disabled="!cacheRemoteFiles">%i18n:@remote-drive-capacity-mb%<span slot="text">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
+			<ui-input v-model="localDriveCapacityMb">%i18n:@local-drive-capacity-mb%<span slot="desc">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
+			<ui-input v-model="remoteDriveCapacityMb" :disabled="!cacheRemoteFiles">%i18n:@remote-drive-capacity-mb%<span slot="desc">%i18n:@mb%</span><span slot="suffix">MB</span></ui-input>
 		</section>
 		<section>
 			<ui-button @click="updateMeta">%i18n:@save%</ui-button>
diff --git a/src/client/app/common/views/components/api-settings.vue b/src/client/app/common/views/components/api-settings.vue
index 15b2d0085..3a9cd06c8 100644
--- a/src/client/app/common/views/components/api-settings.vue
+++ b/src/client/app/common/views/components/api-settings.vue
@@ -19,6 +19,7 @@
 		</ui-input>
 		<ui-textarea v-model="body">
 			<span>%i18n:@console.parameter% (JSON or JSON5)</span>
+			<span slot="desc">%i18n:@console.credential-info%</span>
 		</ui-textarea>
 		<ui-button @click="send" :disabled="sending">
 			<template v-if="sending">%i18n:@console.sending%</template>
diff --git a/src/client/app/common/views/components/profile-editor.vue b/src/client/app/common/views/components/profile-editor.vue
index 4e324b08d..90e0f139e 100644
--- a/src/client/app/common/views/components/profile-editor.vue
+++ b/src/client/app/common/views/components/profile-editor.vue
@@ -31,13 +31,13 @@
 			<ui-input type="file" @change="onAvatarChange">
 				<span>%i18n:@avatar%</span>
 				<span slot="icon"><fa icon="image"/></span>
-				<span slot="text" v-if="avatarUploading">%i18n:@uploading%<mk-ellipsis/></span>
+				<span slot="desc" v-if="avatarUploading">%i18n:@uploading%<mk-ellipsis/></span>
 			</ui-input>
 
 			<ui-input type="file" @change="onBannerChange">
 				<span>%i18n:@banner%</span>
 				<span slot="icon"><fa icon="image"/></span>
-				<span slot="text" v-if="bannerUploading">%i18n:@uploading%<mk-ellipsis/></span>
+				<span slot="desc" v-if="bannerUploading">%i18n:@uploading%<mk-ellipsis/></span>
 			</ui-input>
 
 			<ui-button @click="save(true)">%i18n:@save%</ui-button>
diff --git a/src/client/app/common/views/components/signup.vue b/src/client/app/common/views/components/signup.vue
index bc023b339..fa26eabc9 100644
--- a/src/client/app/common/views/components/signup.vue
+++ b/src/client/app/common/views/components/signup.vue
@@ -4,35 +4,35 @@
 		<ui-input v-if="meta.disableRegistration" v-model="invitationCode" type="text" :autocomplete="Math.random()" spellcheck="false" required styl="fill">
 			<span>%i18n:@invitation-code%</span>
 			<span slot="prefix"><fa icon="id-card-alt"/></span>
-			<p slot="text" v-html="'%i18n:@invitation-info%'.replace('{}', meta.maintainer.url)"></p>
+			<p slot="desc" v-html="'%i18n:@invitation-info%'.replace('{}', meta.maintainer.url)"></p>
 		</ui-input>
 		<ui-input v-model="username" type="text" pattern="^[a-zA-Z0-9_]{1,20}$" :autocomplete="Math.random()" spellcheck="false" required @input="onChangeUsername" styl="fill">
 			<span>%i18n:@username%</span>
 			<span slot="prefix">@</span>
 			<span slot="suffix">@{{ host }}</span>
-			<p slot="text" v-if="usernameState == 'wait'" style="color:#999"><fa icon="spinner .pulse" fixed-width/> %i18n:@checking%</p>
-			<p slot="text" v-if="usernameState == 'ok'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@available%</p>
-			<p slot="text" v-if="usernameState == 'unavailable'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@unavailable%</p>
-			<p slot="text" v-if="usernameState == 'error'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@error%</p>
-			<p slot="text" v-if="usernameState == 'invalid-format'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@invalid-format%</p>
-			<p slot="text" v-if="usernameState == 'min-range'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@too-short%</p>
-			<p slot="text" v-if="usernameState == 'max-range'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@too-long%</p>
+			<p slot="desc" v-if="usernameState == 'wait'" style="color:#999"><fa icon="spinner .pulse" fixed-width/> %i18n:@checking%</p>
+			<p slot="desc" v-if="usernameState == 'ok'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@available%</p>
+			<p slot="desc" v-if="usernameState == 'unavailable'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@unavailable%</p>
+			<p slot="desc" v-if="usernameState == 'error'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@error%</p>
+			<p slot="desc" v-if="usernameState == 'invalid-format'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@invalid-format%</p>
+			<p slot="desc" v-if="usernameState == 'min-range'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@too-short%</p>
+			<p slot="desc" v-if="usernameState == 'max-range'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@too-long%</p>
 		</ui-input>
 		<ui-input v-model="password" type="password" :autocomplete="Math.random()" required @input="onChangePassword" :with-password-meter="true" styl="fill">
 			<span>%i18n:@password%</span>
 			<span slot="prefix"><fa icon="lock"/></span>
-			<div slot="text">
-				<p slot="text" v-if="passwordStrength == 'low'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@weak-password%</p>
-				<p slot="text" v-if="passwordStrength == 'medium'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@normal-password%</p>
-				<p slot="text" v-if="passwordStrength == 'high'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@strong-password%</p>
+			<div slot="desc">
+				<p v-if="passwordStrength == 'low'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@weak-password%</p>
+				<p v-if="passwordStrength == 'medium'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@normal-password%</p>
+				<p v-if="passwordStrength == 'high'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@strong-password%</p>
 			</div>
 		</ui-input>
 		<ui-input v-model="retypedPassword" type="password" :autocomplete="Math.random()" required @input="onChangePasswordRetype" styl="fill">
 			<span>%i18n:@password% (%i18n:@retype%)</span>
 			<span slot="prefix"><fa icon="lock"/></span>
-			<div slot="text">
-				<p slot="text" v-if="passwordRetypeState == 'match'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@password-matched%</p>
-				<p slot="text" v-if="passwordRetypeState == 'not-match'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@password-not-matched%</p>
+			<div slot="desc">
+				<p v-if="passwordRetypeState == 'match'" style="color:#3CB7B5"><fa icon="check" fixed-width/> %i18n:@password-matched%</p>
+				<p v-if="passwordRetypeState == 'not-match'" style="color:#FF1161"><fa icon="exclamation-triangle" fixed-width/> %i18n:@password-not-matched%</p>
 			</div>
 		</ui-input>
 		<div v-if="meta.recaptchaSitekey != null" class="g-recaptcha" :data-sitekey="meta.recaptchaSitekey" style="margin: 16px 0;"></div>
diff --git a/src/client/app/common/views/components/ui/input.vue b/src/client/app/common/views/components/ui/input.vue
index 90df6fedb..76bb34da6 100644
--- a/src/client/app/common/views/components/ui/input.vue
+++ b/src/client/app/common/views/components/ui/input.vue
@@ -33,7 +33,7 @@
 		</template>
 		<div class="suffix" ref="suffix"><slot name="suffix"></slot></div>
 	</div>
-	<div class="text"><slot name="text"></slot></div>
+	<div class="desc"><slot name="desc"></slot></div>
 </div>
 </template>
 
@@ -321,7 +321,7 @@ root(fill)
 			if fill
 				padding-right 12px
 
-	> .text
+	> .desc
 		margin 6px 0
 		font-size 13px
 
diff --git a/src/client/app/common/views/components/ui/textarea.vue b/src/client/app/common/views/components/ui/textarea.vue
index a96552a0d..947dfd9c6 100644
--- a/src/client/app/common/views/components/ui/textarea.vue
+++ b/src/client/app/common/views/components/ui/textarea.vue
@@ -13,7 +13,7 @@
 			@blur="focused = false"
 		></textarea>
 	</div>
-	<div class="text"><slot name="text"></slot></div>
+	<div class="desc"><slot name="desc"></slot></div>
 </div>
 </template>
 
@@ -139,7 +139,7 @@ root(fill)
 			outline none
 			box-shadow none
 
-	> .text
+	> .desc
 		margin 6px 0
 		font-size 13px