diff --git a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/telnet/support/TelnetUtils.java b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/telnet/support/TelnetUtils.java
index 8a78d599ff9..6ee82de3491 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/telnet/support/TelnetUtils.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/telnet/support/TelnetUtils.java
@@ -120,8 +120,8 @@ public static String toTable(List<String> header, List<List<String>> table) {
             for (int j = 0; j < widths.length; j++) {
                 String cell = row.get(j);
                 rowbuf.append(' ');
-                int remaing = cell.length();
-                while (remaing > 0) {
+                int remaining = cell.length();
+                while (remaining > 0) {
 
                     if (rowbuf.length() >= totalWidth) {
                         buf.append(rowbuf.toString());
@@ -132,8 +132,8 @@ public static String toTable(List<String> header, List<List<String>> table) {
                         //                        }
                     }
 
-                    rowbuf.append(cell, cell.length() - remaing, cell.length() - remaing + 1);
-                    remaing--;
+                    rowbuf.append(cell, cell.length() - remaining, cell.length() - remaining + 1);
+                    remaining--;
                 }
                 int pad = widths[j] - cell.length();
                 if (pad > 0) {
diff --git a/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/ChanelHandlerTest.java b/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/ChannelHandlerTest.java
similarity index 95%
rename from dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/ChanelHandlerTest.java
rename to dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/ChannelHandlerTest.java
index 8c3bde9838a..361b30767d8 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/ChanelHandlerTest.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/ChannelHandlerTest.java
@@ -31,13 +31,13 @@
 import static org.apache.dubbo.common.constants.LoggerCodeConstants.CONFIG_UNDEFINED_ARGUMENT;
 
 /**
- * ChanelHandlerTest
+ * ChannelHandlerTest
  * <p>
  * mvn clean test -Dtest=*PerformanceClientTest -Dserver=10.20.153.187:9911
  */
-class ChanelHandlerTest {
+class ChannelHandlerTest {
 
-    private static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(ChanelHandlerTest.class);
+    private static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(ChannelHandlerTest.class);
 
     public static ExchangeClient initClient(String url) {
         // Create client and build connection
@@ -113,12 +113,12 @@ public PeformanceTestHandler(String url) {
 
         @Override
         public void connected(Channel channel) throws RemotingException {
-            System.out.println("connected event,chanel;" + channel);
+            System.out.println("connected event,channel;" + channel);
         }
 
         @Override
         public void disconnected(Channel channel) throws RemotingException {
-            System.out.println("disconnected event,chanel;" + channel);
+            System.out.println("disconnected event,channel;" + channel);
             initClient(url);
         }
 
diff --git a/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/PerformanceClientTest.java b/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/PerformanceClientTest.java
index 49b6bb763dc..16c8827f8ed 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/PerformanceClientTest.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/test/java/org/apache/dubbo/remoting/PerformanceClientTest.java
@@ -237,12 +237,12 @@ public PeformanceTestHandler() {
 
         @Override
         public void connected(Channel channel) throws RemotingException {
-            System.out.println("connected event,chanel;" + channel);
+            System.out.println("connected event,channel;" + channel);
         }
 
         @Override
         public void disconnected(Channel channel) throws RemotingException {
-            System.out.println("disconnected event,chanel;" + channel);
+            System.out.println("disconnected event,channel;" + channel);
         }
     }
 }
diff --git a/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/CallbackServiceCodec.java b/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/CallbackServiceCodec.java
index 6750751e6a3..a0af3b88dd5 100644
--- a/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/CallbackServiceCodec.java
+++ b/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/CallbackServiceCodec.java
@@ -318,7 +318,7 @@ private static boolean isInstancesOverLimit(
             // client side error
             throw new IllegalStateException("interface " + interfaceClass
                     + " `s callback instances num exceed providers limit :" + limit + " ,current num: " + (count + 1)
-                    + ". The new callback service will not work !!! you can cancle the callback service which exported before. channel :"
+                    + ". The new callback service will not work !!! you can cancel the callback service which exported before. channel :"
                     + channel);
         } else {
             return false;
diff --git a/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java b/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java
index 45534ff5ba6..c2671543e7c 100644
--- a/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java
+++ b/dubbo-rpc/dubbo-rpc-injvm/src/test/java/org/apache/dubbo/rpc/protocol/injvm/InjvmClassLoaderTest.java
@@ -133,7 +133,7 @@ void testDifferentClassLoaderRequest() throws Exception {
         Assertions.assertEquals(resultClazzCustom3, result1.getClass());
         Assertions.assertNotEquals(classLoader2, result1.getClass().getClassLoader());
 
-        // invoke reqeust param should load from classLoader1 ( provider side classLoader )
+        // invoke request param should load from classLoader1 ( provider side classLoader )
         Assertions.assertEquals(
                 classLoader1, innerRequestReference.get().getClass().getClassLoader());
 
diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/proto/reflectionV1Alpha.proto b/dubbo-rpc/dubbo-rpc-triple/src/main/proto/reflectionV1Alpha.proto
index 8c5e06fe148..a3984b55c2d 100644
--- a/dubbo-rpc/dubbo-rpc-triple/src/main/proto/reflectionV1Alpha.proto
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/proto/reflectionV1Alpha.proto
@@ -80,7 +80,7 @@ message ExtensionRequest {
 message ServerReflectionResponse {
   string valid_host = 1;
   ServerReflectionRequest original_request = 2;
-  // The server set one of the following fields accroding to the message_request
+  // The server set one of the following fields according to the message_request
   // in the request.
   oneof message_response {
     // This message is used to answer file_by_filename, file_containing_symbol,
@@ -91,7 +91,7 @@ message ServerReflectionResponse {
     // that were previously sent in response to earlier requests in the stream.
     FileDescriptorResponse file_descriptor_response = 4;
 
-    // This message is used to answer all_extension_numbers_of_type requst.
+    // This message is used to answer all_extension_numbers_of_type request.
     ExtensionNumberResponse all_extension_numbers_response = 5;
 
     // This message is used to answer list_services request.