chore: fix typo in config descriptions (#5585)

api/configs/middleware/vdb/milvus_config.py

@@ -29,11 +29,11 @@ class MilvusConfig(BaseModel):
     )
 
     MILVUS_SECURE: bool = Field(
-        description='wheter to use SSL connection for Milvus',
+        description='whether to use SSL connection for Milvus',
         default=False,
     )
 
     MILVUS_DATABASE: str = Field(
-        description='Milvus database',
+        description='Milvus database, default to `default`',
         default='default',
     )

api/configs/middleware/vdb/tencent_vector_config.py

@@ -14,12 +14,12 @@ class TencentVectorDBConfig(BaseModel):
     )
 
     TENCENT_VECTOR_DB_API_KEY: Optional[str] = Field(
-        description='Tencent Vector api key',
+        description='Tencent Vector API key',
         default=None,
     )
 
     TENCENT_VECTOR_DB_TIMEOUT: PositiveInt = Field(
-        description='Tencent Vector timeout',
+        description='Tencent Vector timeout in seconds',
         default=30,
     )