diff --git a/src/server/api/endpoints/following/requests/accept.ts b/src/server/api/endpoints/following/requests/accept.ts
index 36c3694eed..2cca3a1ccb 100644
--- a/src/server/api/endpoints/following/requests/accept.ts
+++ b/src/server/api/endpoints/following/requests/accept.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		}
 	}
 };
diff --git a/src/server/api/endpoints/following/requests/cancel.ts b/src/server/api/endpoints/following/requests/cancel.ts
index bfb7d0713c..f2dec9ffae 100644
--- a/src/server/api/endpoints/following/requests/cancel.ts
+++ b/src/server/api/endpoints/following/requests/cancel.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		}
 	}
 };
diff --git a/src/server/api/endpoints/following/requests/reject.ts b/src/server/api/endpoints/following/requests/reject.ts
index bd0b3bba22..cce41e2df4 100644
--- a/src/server/api/endpoints/following/requests/reject.ts
+++ b/src/server/api/endpoints/following/requests/reject.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		}
 	}
 };
diff --git a/src/server/api/endpoints/following/stalk.ts b/src/server/api/endpoints/following/stalk.ts
index 1fef9a429a..3a58e2192f 100644
--- a/src/server/api/endpoints/following/stalk.ts
+++ b/src/server/api/endpoints/following/stalk.ts
@@ -16,6 +16,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		}
 	}
 };
diff --git a/src/server/api/endpoints/following/unstalk.ts b/src/server/api/endpoints/following/unstalk.ts
index 66e99bed58..ad07ec38ba 100644
--- a/src/server/api/endpoints/following/unstalk.ts
+++ b/src/server/api/endpoints/following/unstalk.ts
@@ -16,6 +16,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		}
 	}
 };
diff --git a/src/server/api/endpoints/games/reversi/match.ts b/src/server/api/endpoints/games/reversi/match.ts
index e0f9c20cbb..43b6fc8eed 100644
--- a/src/server/api/endpoints/games/reversi/match.ts
+++ b/src/server/api/endpoints/games/reversi/match.ts
@@ -13,6 +13,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 	}
 };
diff --git a/src/server/api/endpoints/messaging/messages.ts b/src/server/api/endpoints/messaging/messages.ts
index 50a5eb00d8..3d033f1109 100644
--- a/src/server/api/endpoints/messaging/messages.ts
+++ b/src/server/api/endpoints/messaging/messages.ts
@@ -19,6 +19,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/messaging/messages/create.ts b/src/server/api/endpoints/messaging/messages/create.ts
index bcd4d6b63c..f8901449fe 100644
--- a/src/server/api/endpoints/messaging/messages/create.ts
+++ b/src/server/api/endpoints/messaging/messages/create.ts
@@ -25,6 +25,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 
 		text: {
diff --git a/src/server/api/endpoints/mute/create.ts b/src/server/api/endpoints/mute/create.ts
index f3bb3da14f..13323da324 100644
--- a/src/server/api/endpoints/mute/create.ts
+++ b/src/server/api/endpoints/mute/create.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 	}
 };
diff --git a/src/server/api/endpoints/mute/delete.ts b/src/server/api/endpoints/mute/delete.ts
index 68de0feb28..3808c15270 100644
--- a/src/server/api/endpoints/mute/delete.ts
+++ b/src/server/api/endpoints/mute/delete.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 	}
 };
diff --git a/src/server/api/endpoints/notes/conversation.ts b/src/server/api/endpoints/notes/conversation.ts
index 7703ef7d2e..5e6e5ddb0f 100644
--- a/src/server/api/endpoints/notes/conversation.ts
+++ b/src/server/api/endpoints/notes/conversation.ts
@@ -14,6 +14,10 @@ export const meta = {
 		noteId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象の投稿のID',
+				'en-US': 'Target note ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/notes/polls/vote.ts b/src/server/api/endpoints/notes/polls/vote.ts
index f50e84ba13..dc012152c6 100644
--- a/src/server/api/endpoints/notes/polls/vote.ts
+++ b/src/server/api/endpoints/notes/polls/vote.ts
@@ -21,6 +21,10 @@ export const meta = {
 		noteId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象の投稿のID',
+				'en-US': 'Target note ID'
+			}
 		},
 
 		choice: {
diff --git a/src/server/api/endpoints/notes/reactions/delete.ts b/src/server/api/endpoints/notes/reactions/delete.ts
index 60f49fb275..53e2f476b2 100644
--- a/src/server/api/endpoints/notes/reactions/delete.ts
+++ b/src/server/api/endpoints/notes/reactions/delete.ts
@@ -17,6 +17,10 @@ export const meta = {
 		noteId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象の投稿のID',
+				'en-US': 'Target note ID'
+			}
 		},
 	}
 };
diff --git a/src/server/api/endpoints/notes/renotes.ts b/src/server/api/endpoints/notes/renotes.ts
index 85d5820e58..2a434dd06e 100644
--- a/src/server/api/endpoints/notes/renotes.ts
+++ b/src/server/api/endpoints/notes/renotes.ts
@@ -14,6 +14,10 @@ export const meta = {
 		noteId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象の投稿のID',
+				'en-US': 'Target note ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/notes/replies.ts b/src/server/api/endpoints/notes/replies.ts
index 8b5a3593d1..6046b9b310 100644
--- a/src/server/api/endpoints/notes/replies.ts
+++ b/src/server/api/endpoints/notes/replies.ts
@@ -14,6 +14,10 @@ export const meta = {
 		noteId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象の投稿のID',
+				'en-US': 'Target note ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/users/followers.ts b/src/server/api/endpoints/users/followers.ts
index 9e3a30f6f1..e7f74b0651 100644
--- a/src/server/api/endpoints/users/followers.ts
+++ b/src/server/api/endpoints/users/followers.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/users/following.ts b/src/server/api/endpoints/users/following.ts
index 57bf1e1e8b..371a54f901 100644
--- a/src/server/api/endpoints/users/following.ts
+++ b/src/server/api/endpoints/users/following.ts
@@ -17,6 +17,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/users/get_frequently_replied_users.ts b/src/server/api/endpoints/users/get_frequently_replied_users.ts
index 6b8b985eea..cf123b82ba 100644
--- a/src/server/api/endpoints/users/get_frequently_replied_users.ts
+++ b/src/server/api/endpoints/users/get_frequently_replied_users.ts
@@ -10,6 +10,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 
 		limit: {
diff --git a/src/server/api/endpoints/users/lists/push.ts b/src/server/api/endpoints/users/lists/push.ts
index 5c11f25dc4..396f9813a4 100644
--- a/src/server/api/endpoints/users/lists/push.ts
+++ b/src/server/api/endpoints/users/lists/push.ts
@@ -26,6 +26,10 @@ export const meta = {
 		userId: {
 			validator: $.type(ID),
 			transform: transform,
+			desc: {
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
+			}
 		},
 	}
 };
diff --git a/src/server/api/endpoints/users/notes.ts b/src/server/api/endpoints/users/notes.ts
index 4bbacab2bf..7901ac1de1 100644
--- a/src/server/api/endpoints/users/notes.ts
+++ b/src/server/api/endpoints/users/notes.ts
@@ -15,7 +15,8 @@ export const meta = {
 			validator: $.type(ID).optional,
 			transform: transform,
 			desc: {
-				'ja-JP': 'ユーザーID'
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
 			}
 		},
 
diff --git a/src/server/api/endpoints/users/show.ts b/src/server/api/endpoints/users/show.ts
index 93223b3f9f..6e4cf514de 100644
--- a/src/server/api/endpoints/users/show.ts
+++ b/src/server/api/endpoints/users/show.ts
@@ -17,7 +17,8 @@ export const meta = {
 			validator: $.type(ID).optional,
 			transform: transform,
 			desc: {
-				'ja-JP': 'ユーザーID'
+				'ja-JP': '対象のユーザーのID',
+				'en-US': 'Target user ID'
 			}
 		},