diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 32864ab..9ac2cc6 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -601,7 +601,7 @@
 def LoadInfoDict(input_file, repacking=False):
   """Loads the key/value pairs from the given input target_files.
 
-  It reads `META/misc_info.txt` file in the target_files input, does sanity
+  It reads `META/misc_info.txt` file in the target_files input, does validation
   checks and returns the parsed key/value pairs for to the given build. It's
   usually called early when working on input target_files files, e.g. when
   generating OTAs, or signing builds. Note that the function may be called
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index 1cb9a4f..b4646b7 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -1149,7 +1149,7 @@
       apex_name, key = a.split("=")
       OPTIONS.extra_apex_payload_keys[apex_name] = key
     elif o == "--skip_apks_with_path_prefix":
-      # Sanity check the prefix, which must be in all upper case.
+      # Check the prefix, which must be in all upper case.
       prefix = a.split('/')[0]
       if not prefix or prefix != prefix.upper():
         raise ValueError("Invalid path prefix '%s'" % (a,))
diff --git a/tools/releasetools/test_check_target_files_vintf.py b/tools/releasetools/test_check_target_files_vintf.py
index d326229..8725dd6 100644
--- a/tools/releasetools/test_check_target_files_vintf.py
+++ b/tools/releasetools/test_check_target_files_vintf.py
@@ -87,8 +87,8 @@
     return test_dir
 
   @test_utils.SkipIfExternalToolsUnavailable()
-  def test_CheckVintf_sanity(self):
-    msg = 'Sanity check with skeleton target files failed.'
+  def test_CheckVintf_skeleton(self):
+    msg = 'vintf check with skeleton target files failed.'
     test_dir = self.prepare_test_dir('does-not-exist')
     self.assertTrue(CheckVintf(test_dir), msg=msg)
 
diff --git a/tools/releasetools/test_verity_utils.py b/tools/releasetools/test_verity_utils.py
index cfc4942..a850390 100644
--- a/tools/releasetools/test_verity_utils.py
+++ b/tools/releasetools/test_verity_utils.py
@@ -233,7 +233,7 @@
         os.path.join(get_testdata_dir(), 'testkey_mincrypt'))
 
   @SkipIfExternalToolsUnavailable()
-  def test_Build_SanityCheck(self):
+  def test_Build_ValidationCheck(self):
     # A validity check for the test itself: the image shouldn't be verifiable
     # with wrong key.
     self.assertRaises(