diff --git a/docs/analysis_test_doc.md b/docs/analysis_test_doc.md
index 762a82a..817be66 100755
--- a/docs/analysis_test_doc.md
+++ b/docs/analysis_test_doc.md
@@ -31,7 +31,6 @@ Test rule checking that other targets can be successfully analyzed.
     Args:
       name: The name of the test rule.
       targets: A list of targets to ensure build.
-    
 
 ### Attributes
 
diff --git a/docs/diff_test_doc.md b/docs/diff_test_doc.md
index ec29077..07ce8b9 100755
--- a/docs/diff_test_doc.md
+++ b/docs/diff_test_doc.md
@@ -1,14 +1,12 @@
 ## diff_test
 
 <pre>
-diff_test(<a href="#diff_test-name">name</a>, <a href="#diff_test-file1">file1</a>, <a href="#diff_test-file2">file2</a>, <a href="#diff_test-expect_same">expect_same</a>, <a href="#diff_test-kwargs">kwargs</a>)
+diff_test(<a href="#diff_test-name">name</a>, <a href="#diff_test-file1">file1</a>, <a href="#diff_test-file2">file2</a>, <a href="#diff_test-kwargs">kwargs</a>)
 </pre>
 
-A test that compares the contents of two files.
+A test that compares two files.
 
-The test succeeds when the files are expected to be the same (with regard to
-file contents) and are in fact the same, or when the files are expected to
-be different and are in fact so.
+The test succeeds if the files' contents match.
 
 
 ### Parameters
@@ -46,17 +44,6 @@ be different and are in fact so.
         </p>
       </td>
     </tr>
-    <tr id="diff_test-expect_same">
-      <td><code>expect_same</code></td>
-      <td>
-        optional. default is <code>True</code>
-        <p>
-          Whether the files are expected to be the same or not. The
-  test passes if this is True and the files are the same, or if this is
-  False and the files are not the same.
-        </p>
-      </td>
-    </tr>
     <tr id="diff_test-kwargs">
       <td><code>kwargs</code></td>
       <td>
diff --git a/docs/unittest_doc.md b/docs/unittest_doc.md
index 2256d12..4fbd96f 100755
--- a/docs/unittest_doc.md
+++ b/docs/unittest_doc.md
@@ -55,7 +55,7 @@ unittest_toolchain(<a href="#unittest_toolchain-name">name</a>, <a href="#unitte
 ## analysistest.make
 
 <pre>
-analysistest.make(<a href="#analysistest.make-impl">impl</a>, <a href="#analysistest.make-expect_failure">expect_failure</a>, <a href="#analysistest.make-config_settings">config_settings</a>)
+analysistest.make(<a href="#analysistest.make-impl">impl</a>, <a href="#analysistest.make-expect_failure">expect_failure</a>, <a href="#analysistest.make-attrs">attrs</a>, <a href="#analysistest.make-config_settings">config_settings</a>)
 </pre>
 
 Creates an analysis test rule from its implementation function.
@@ -111,6 +111,16 @@ Recall that names of test rules must end in `_test`.
         </p>
       </td>
     </tr>
+    <tr id="analysistest.make-attrs">
+      <td><code>attrs</code></td>
+      <td>
+        optional. default is <code>{}</code>
+        <p>
+          An optional dictionary to supplement the attrs passed to the
+    unit test's `rule()` constructor.
+        </p>
+      </td>
+    </tr>
     <tr id="analysistest.make-config_settings">
       <td><code>config_settings</code></td>
       <td>
@@ -663,7 +673,7 @@ Recall that names of test rules must end in `_test`.
     <tr id="unittest.make-attrs">
       <td><code>attrs</code></td>
       <td>
-        optional. default is <code>None</code>
+        optional. default is <code>{}</code>
         <p>
           An optional dictionary to supplement the attrs passed to the
     unit test's `rule()` constructor.
diff --git a/rules/analysis_test.bzl b/rules/analysis_test.bzl
index a43ef90..46d32dd 100644
--- a/rules/analysis_test.bzl
+++ b/rules/analysis_test.bzl
@@ -52,6 +52,5 @@ analysis_test = rule(
 
     Args:
       name: The name of the test rule.
-      targets: A list of targets to ensure build.
-    """,
+      targets: A list of targets to ensure build.""",
 )
diff --git a/tests/analysis_test_test.sh b/tests/analysis_test_test.sh
index 5dc52b8..db9bbac 100755
--- a/tests/analysis_test_test.sh
+++ b/tests/analysis_test_test.sh
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 # End to end tests for analysis_test.bzl.
-# 
+#
 # End to end tests of analysis_test.bzl cover verification that
 # analysis_test tests fail when their underlying test targets fail analysis.
 
diff --git a/tests/unittest_test.sh b/tests/unittest_test.sh
index 5b9d43f..22239b5 100755
--- a/tests/unittest_test.sh
+++ b/tests/unittest_test.sh
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 # End to end tests for unittest.bzl.
-# 
+#
 # Specifically, end to end tests of unittest.bzl cover verification that
 # analysis-phase tests written with unittest.bzl appropriately
 # cause test failures in cases where violated assertions are made.