diff --git a/src/doc/version_info.html.template b/src/doc/version_info.html.template
index 2fda57923cd8f..7215e4f13c9bb 100644
--- a/src/doc/version_info.html.template
+++ b/src/doc/version_info.html.template
@@ -1,5 +1,5 @@
 <div id="versioninfo">
-  <img src="https://www.rust-lang.org/logos/rust-logo-32x32-blk.png" width="32" height="32" alt><br>
+  <img src="https://www.rust-lang.org/logos/rust-logo-32x32-blk.png" width="32" height="32" alt="Rust logo"><br>
   <span class="white-sticker"><a href="https://www.rust-lang.org">Rust</a> VERSION</span><br>
   <a href="https://github.com/rust-lang/rust/commit/STAMP"
     class="hash white-sticker">SHORT_HASH</a>
diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs
index 227981d68fbb4..ffcd22fa82096 100644
--- a/src/librustdoc/html/layout.rs
+++ b/src/librustdoc/html/layout.rs
@@ -148,7 +148,7 @@ r##"<!DOCTYPE html>
         "".to_string()
     } else {
         format!("<a href='{}{}/index.html'>\
-                 <img src='{}' alt='' width='100'></a>",
+                 <img src='{}' alt='logo' width='100'></a>",
                 page.root_path, layout.krate,
                 layout.logo)
     },
