(editorial) Update http.resend_count references to http.request.resen…

…d_count (open-telemetry#666)

Co-authored-by: Joao Grassi <[email protected]>

docs/http/http-spans.md

@@ -277,7 +277,7 @@ 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 challenges, 503 Server Unavailable, network issues, or any other.
 
-Each time an HTTP request is resent, the `http.resend_count` attribute SHOULD be added to each repeated span and set to the ordinal number of the request resend attempt.
+Each time an HTTP request is resent, the `http.request.resend_count` attribute SHOULD be added to each repeated span and set to the ordinal number of the request resend attempt.
 
 See the examples for more details about:
 
@@ -433,11 +433,11 @@ request (SERVER, trace=t1, span=s1)
   |   |
   |   --- server (SERVER, trace=t1, span=s3)
   |
-  -- GET / - 500 (CLIENT, trace=t1, span=s4, http.resend_count=1)
+  -- GET / - 500 (CLIENT, trace=t1, span=s4, http.request.resend_count=1)
   |   |
   |   --- server (SERVER, trace=t1, span=s5)
   |
-  -- GET / - 200 (CLIENT, trace=t1, span=s6, http.resend_count=2)
+  -- GET / - 200 (CLIENT, trace=t1, span=s6, http.request.resend_count=2)
       |
       --- server (SERVER, trace=t1, span=s7)
 ```
@@ -449,11 +449,11 @@ GET / - 500 (CLIENT, trace=t1, span=s1)
  |
  --- server (SERVER, trace=t1, span=s2)
 
-GET / - 500 (CLIENT, trace=t2, span=s1, http.resend_count=1)
+GET / - 500 (CLIENT, trace=t2, span=s1, http.request.resend_count=1)
  |
  --- server (SERVER, trace=t2, span=s2)
 
-GET / - 200 (CLIENT, trace=t3, span=s1, http.resend_count=2)
+GET / - 200 (CLIENT, trace=t3, span=s1, http.request.resend_count=2)
  |
  --- server (SERVER, trace=t3, span=s1)
 ```
@@ -469,7 +469,7 @@ request (SERVER, trace=t1, span=s1)
   |   |
   |   --- server (SERVER, trace=t1, span=s3)
   |
-  -- GET /hello - 200 (CLIENT, trace=t1, span=s4, http.resend_count=1)
+  -- GET /hello - 200 (CLIENT, trace=t1, span=s4, http.request.resend_count=1)
       |
       --- server (SERVER, trace=t1, span=s5)
 ```
@@ -481,7 +481,7 @@ GET /hello - 401 (CLIENT, trace=t1, span=s1)
  |
  --- server (SERVER, trace=t1, span=s2)
 
-GET /hello - 200 (CLIENT, trace=t2, span=s1, http.resend_count=1)
+GET /hello - 200 (CLIENT, trace=t2, span=s1, http.request.resend_count=1)
  |
  --- server (SERVER, trace=t2, span=s2)
 ```
@@ -497,7 +497,7 @@ request (SERVER, trace=t1, span=s1)
   |   |
   |   --- server (SERVER, trace=t1, span=s3)
   |
-  -- GET /hello - 200 (CLIENT, trace=t1, span=s4, http.resend_count=1)
+  -- GET /hello - 200 (CLIENT, trace=t1, span=s4, http.request.resend_count=1)
       |
       --- server (SERVER, trace=t1, span=s5)
 ```
@@ -509,7 +509,7 @@ GET / - 302 (CLIENT, trace=t1, span=s1)
  |
  --- server (SERVER, trace=t1, span=s2)
 
-GET /hello - 200 (CLIENT, trace=t2, span=s1, http.resend_count=1)
+GET /hello - 200 (CLIENT, trace=t2, span=s1, http.request.resend_count=1)
  |
  --- server (SERVER, trace=t2, span=s2)
 ```