address review comments

Author: javanna

client/rest-high-level/src/test/java/org/elasticsearch/client/RequestTests.java

@@ -1000,17 +1000,17 @@ public void testExistsAlias() {
         setRandomIndicesOptions(getAliasesRequest::indicesOptions, getAliasesRequest::indicesOptions, expectedParams);
 
         Request request = Request.existsAlias(getAliasesRequest);
-        StringJoiner endpoint = new StringJoiner("/", "/", "");
+        StringJoiner expectedEndpoint = new StringJoiner("/", "/", "");
         String index = String.join(",", indices);
         if (Strings.hasLength(index)) {
-            endpoint.add(index);
+            expectedEndpoint.add(index);
         }
-        endpoint.add("_alias");
+        expectedEndpoint.add("_alias");
         String alias = String.join(",", aliases);
         if (Strings.hasLength(alias)) {
-            endpoint.add(alias);
+            expectedEndpoint.add(alias);
         }
-        assertEquals(endpoint.toString(), request.getEndpoint());
+        assertEquals(expectedEndpoint.toString(), request.getEndpoint());
         assertEquals(expectedParams, request.getParameters());
         assertNull(request.getEntity());
     }

docs/java-rest/high-level/apis/exists_alias.asciidoc

@@ -20,7 +20,7 @@ The following arguments can optionally be provided:
 --------------------------------------------------
 include-tagged::{doc-tests}/IndicesClientDocumentationIT.java[exists-alias-request-alias]
 --------------------------------------------------
-<1> One or more aliases  to look for
+<1> One or more aliases to look for
 
 ["source","java",subs="attributes,callouts,macros"]
 --------------------------------------------------
@@ -66,4 +66,4 @@ provided as an argument
 ==== Exists Alias Response
 
 The Exists Alias API returns a `boolean` that indicates whether the provided
-alias (or aliases) were found or not.
+alias (or aliases) was found or not.