diff --git a/Documentation/config/promisor.adoc b/Documentation/config/promisor.adoc
index 9192acfd24..2638b01f83 100644
--- a/Documentation/config/promisor.adoc
+++ b/Documentation/config/promisor.adoc
@@ -26,5 +26,5 @@ promisor.acceptFromServer::
 	server will be accepted. By accepting a promisor remote, the
 	client agrees that the server might omit objects that are
 	lazily fetchable from this promisor remote from its responses
-	to "fetch" and "clone" requests from the client. See
-	linkgit:gitprotocol-v2[5].
+	to "fetch" and "clone" requests from the client. Name and URL
+	comparisons are case sensitive. See linkgit:gitprotocol-v2[5].
diff --git a/promisor-remote.c b/promisor-remote.c
index 0b7b1ec45a..5801ebfd9b 100644
--- a/promisor-remote.c
+++ b/promisor-remote.c
@@ -370,13 +370,13 @@ char *promisor_remote_info(struct repository *repo)
 
 /*
  * Find first index of 'nicks' where there is 'nick'. 'nick' is
- * compared case insensitively to the strings in 'nicks'. If not found
+ * compared case sensitively to the strings in 'nicks'. If not found
  * 'nicks->nr' is returned.
  */
 static size_t remote_nick_find(struct strvec *nicks, const char *nick)
 {
 	for (size_t i = 0; i < nicks->nr; i++)
-		if (!strcasecmp(nicks->v[i], nick))
+		if (!strcmp(nicks->v[i], nick))
 			return i;
 	return nicks->nr;
 }