diff --git a/lib/csharp/src/Protocol/TJSONProtocol.cs b/lib/csharp/src/Protocol/TJSONProtocol.cs
index 65cab4f..e2834f8 100644
--- a/lib/csharp/src/Protocol/TJSONProtocol.cs
+++ b/lib/csharp/src/Protocol/TJSONProtocol.cs
@@ -380,7 +380,7 @@
 		private byte[] tempBuffer = new byte[4];
 
 		///<summary>
-		/// Read a byte that must match b[0]; otherwise an excpetion is thrown.
+		/// Read a byte that must match b[0]; otherwise an exception is thrown.
 		/// Marked protected to avoid synthetic accessor in JSONListContext.Read
 		/// and JSONPairContext.Read
 		///</summary>
diff --git a/lib/csharp/src/Server/TThreadedServer.cs b/lib/csharp/src/Server/TThreadedServer.cs
index 75206f1..f2be073 100644
--- a/lib/csharp/src/Server/TThreadedServer.cs
+++ b/lib/csharp/src/Server/TThreadedServer.cs
@@ -85,7 +85,7 @@
 		}
 
 		/// <summary>
-		/// Use new Thread for each new client connection. block until numConnections < maxTHreads
+		/// Use new Thread for each new client connection. block until numConnections < maxThreads
 		/// </summary>
 		public override void Serve()
 		{
diff --git a/lib/java/src/org/apache/thrift/protocol/TJSONProtocol.java b/lib/java/src/org/apache/thrift/protocol/TJSONProtocol.java
index d00980e..10af5c7 100644
--- a/lib/java/src/org/apache/thrift/protocol/TJSONProtocol.java
+++ b/lib/java/src/org/apache/thrift/protocol/TJSONProtocol.java
@@ -313,7 +313,7 @@
   // Temporary buffer used by several methods
   private byte[] tmpbuf_ = new byte[4];
 
-  // Read a byte that must match b[0]; otherwise an excpetion is thrown.
+  // Read a byte that must match b[0]; otherwise an exception is thrown.
   // Marked protected to avoid synthetic accessor in JSONListContext.read
   // and JSONPairContext.read
   protected void readJSONSyntaxChar(byte[] b) throws TException {