diff --git a/specification/trace/semantic_conventions/http.md b/specification/trace/semantic_conventions/http.md
index abef0814113..20fd43fb080 100644
--- a/specification/trace/semantic_conventions/http.md
+++ b/specification/trace/semantic_conventions/http.md
@@ -162,6 +162,8 @@ Note that in some cases host and port identifiers in the `Host` header might be
 ### HTTP request retries and redirects
 
 Retries and redirects cause more than one physical HTTP request to be sent.
+A request is resent when an HTTP client library sends more than one HTTP request to satisfy the same API call.
+This may happen due to following redirects, authorization cahllenges, 503 Server Unavailable, network issues, or any other.
 A CLIENT span SHOULD be created for each one of these physical requests.
 No span is created corresponding to the "logical" (encompassing) request.