diff --git a/ChangeLog.md b/ChangeLog.md
index 615bfb910..c4d779137 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -7,6 +7,7 @@
 
 1. `azcopy list` is now supported on Azure Files and ADLS Gen 2, in addition to Blob Storage.
 1. The `--exclude-path` flag is now supported in the `sync` command.
+1. Added new environment variable `AZCOPY_USER_AGENT_PREFIX` to allow a prefix to be appended to the user agent strings.
 
 ### Bug fixes
 
diff --git a/common/environment.go b/common/environment.go
index e056f6511..0db2b6bfa 100644
--- a/common/environment.go
+++ b/common/environment.go
@@ -208,6 +208,6 @@ func (EnvironmentVariable) DefaultServiceApiVersion() EnvironmentVariable {
 func (EnvironmentVariable) UserAgentPrefix() EnvironmentVariable {
 	return EnvironmentVariable{
 		Name:        "AZCOPY_USER_AGENT_PREFIX",
-		Description: "Add a prefix to the default AzCopy User Agent, which is used for telemetry purposes.",
+		Description: "Add a prefix to the default AzCopy User Agent, which is used for telemetry purposes. A space is automatically inserted.",
 	}
 }
diff --git a/common/version.go b/common/version.go
index 909f93b21..e9150b260 100644
--- a/common/version.go
+++ b/common/version.go
@@ -1,6 +1,6 @@
 package common
 
-const AzcopyVersion = "10.3.2"
+const AzcopyVersion = "10.3.3"
 const UserAgent = "AzCopy/" + AzcopyVersion
 const S3ImportUserAgent = "S3Import " + UserAgent
 const BenchmarkUserAgent = "Benchmark " + UserAgent