fix typo and add missing info

site/en/getstarted/prerequisite-docker.md

@@ -34,7 +34,7 @@ Before you install Milvus, check your hardware and software to see if they meet
 
 ### Additional disk requirements
 
-Disk performance is critical to etcd. It is highly recommended that you use local NVMe SSDs. Slower disk reponse may cause frequent cluster elections that will eventually degrade the etcd service.
+Disk performance is critical to etcd. It is highly recommended that you use local NVMe SSDs. Slower disk response may cause frequent cluster elections that will eventually degrade the etcd service.
 
 To test if your disk is qualified, use [fio](https://github.com/axboe/fio).
 

site/en/reference/schema.md

@@ -129,7 +129,7 @@ A collection schema is the logical definition of a collection. Usually you need
     <tr>
 		<td>enable_dynamic_field</td>
 		<td>Whether to enable dynamic schema or not</td>
-		<td>Data type: Boolean (<code>true</code> or <code>false</code>).<br/>Optional, defaults to <code>False</code><br/>For details on dynamic schema, refer to <a herf="dynamic_schema.md">Dynamic Schema</a> and the user guides for managing collections.</td>
+		<td>Data type: Boolean (<code>true</code> or <code>false</code>).<br/>Optional, defaults to <code>False</code>.<br/>For details on dynamic schema, refer to <a herf="dynamic_schema.md">Dynamic Schema</a> and the user guides for managing collections.</td>
 	</tr>
 	</tbody>
 </table>

site/en/userGuide/create_collection.md

@@ -266,6 +266,11 @@ Output:
             <td>Description of the collection to create.</td>
             <td>N/A</td>
         </tr>
+        <tr>
+		<td>enable_dynamic_field</td>
+		<td>Whether to enable dynamic schema or not</td>
+		<td>Data type: Boolean (<code>true</code> or <code>false</code>).<br/>Optional, defaults to <code>False</code>.<br/>For details on dynamic schema, refer to <a herf="dynamic_schema.md">Dynamic Schema</a> and the user guides for managing collections.</td>
+	    </tr>
         <tr>
             <td><code>collection_name</code></td>
             <td>Name of the collection to create.</td>

site/en/userGuide/drop_index.md

@@ -6,7 +6,7 @@ summary: Learn how to drop an index in Milvus.
 
 # Drop an Index
 
-This topic describes how to drop an index in Milvus. 
+This topic describes how to drop an index in Milvus. Before dropping an index, make sure to release it first.
 
 <div class="alert caution">
 Dropping an index irreversibly removes all corresponding index files.

site/en/userGuide/load_partition.md

@@ -8,7 +8,7 @@ summary: Learn how to load a partition into memory for search or query in Milvus
 
 This topic describes how to load a partition to memory. Loading partitions instead of the whole collection to memory can significantly reduce the memory usage. All search and query operations within Milvus are executed in memory. 
 
-Milvus 2.1 allows users to load a partition as multiple replicas to utilize the CPU and memory resources of extra query nodes. This feature boost the overall QPS and throughput with extra hardware. It is supported on PyMilvus in current release.
+Milvus 2.1 or later allows users to load a partition as multiple replicas to utilize the CPU and memory resources of extra query nodes. This feature boost the overall QPS and throughput with extra hardware. It is supported on PyMilvus in current release.
 
 <div class="alert warning">
 <ul>