diff --git a/opengrok-web/src/main/webapp/diff.jsp b/opengrok-web/src/main/webapp/diff.jsp
index a2d9cc45c79..07ef467c233 100644
--- a/opengrok-web/src/main/webapp/diff.jsp
+++ b/opengrok-web/src/main/webapp/diff.jsp
@@ -112,9 +112,9 @@ include file="/mast.jsp"
         </thead>
         <tbody>
         <tr>
-            <td><img src="<%= link %>?<%= QueryParameters.REVISION_PARAM_EQ %><%= Util.uriEncode(data.getRev(0)) %>" alt="previous image"/>
+            <td><img src="<%= link %>?<%= QueryParameters.REVISION_PARAM_EQ %><%= Util.uriEncode(data.getRev(0)) %>" alt="previous"/>
             </td>
-            <td><img src="<%= link %>?<%= QueryParameters.REVISION_PARAM_EQ %><%= Util.uriEncode(data.getRev(1)) %>" alt="new image"/>
+            <td><img src="<%= link %>?<%= QueryParameters.REVISION_PARAM_EQ %><%= Util.uriEncode(data.getRev(1)) %>" alt="new"/>
             </td>
         </tr>
         </tbody>
diff --git a/opengrok-web/src/test/java/org/opengrok/web/PageConfigTest.java b/opengrok-web/src/test/java/org/opengrok/web/PageConfigTest.java
index 04760f8c0af..a8e70108f6d 100644
--- a/opengrok-web/src/test/java/org/opengrok/web/PageConfigTest.java
+++ b/opengrok-web/src/test/java/org/opengrok/web/PageConfigTest.java
@@ -80,7 +80,7 @@ class PageConfigTest {
     private static TestRepository repository = new TestRepository();
 
     @BeforeAll
-    public static void setUpClass() throws Exception {
+    static void setUpClass() throws Exception {
         RuntimeEnvironment env = RuntimeEnvironment.getInstance();
         env.setHistoryEnabled(true);
 
@@ -598,8 +598,8 @@ void testCheckSourceRootExistence5() throws IOException {
         PageConfig cfg = PageConfig.get(req);
         String path = RuntimeEnvironment.getInstance().getSourceRootPath();
         File temp = File.createTempFile("opengrok", "-test-file.tmp");
-        temp.delete();
-        temp.mkdirs();
+        assertTrue(temp.delete());
+        assertTrue(temp.mkdirs());
         RuntimeEnvironment.getInstance().setSourceRoot(temp.getAbsolutePath());
         cfg.checkSourceRootExistence();
         RuntimeEnvironment.getInstance().setSourceRoot(path);