diff --git a/lib/config.js b/lib/config.js
index 55e7092..719d4a5 100755
--- a/lib/config.js
+++ b/lib/config.js
@@ -12,7 +12,7 @@ var sprintf = require('extsprintf').sprintf;
 var common = require('./common');
 
 
-var CONFIG_PATH = path.resolve(process.env.HOME, '.joyentcloudconfig.json');
+var CONFIG_PATH = path.resolve(process.env.HOME, '.sdcconfig.json');
 var DEFAULTS_PATH = path.resolve(__dirname, '..', 'etc', 'defaults.json');
 
 
@@ -29,7 +29,7 @@ function loadConfigSync() {
     }
     config.profiles.push({
         name: 'env',
-        account: process.env.SDC_USER || process.env.SDC_ACCOUNT,
+        user: process.env.SDC_USER || process.env.SDC_ACCOUNT,
         keyId: process.env.SDC_KEY_ID,
         rejectUnauthorized: common.boolFromString(
             process.env.SDC_TESTING || process.env.SDC_TLS_INSECURE)
diff --git a/lib/errors.js b/lib/errors.js
index 786b365..40ab66e 100644
--- a/lib/errors.js
+++ b/lib/errors.js
@@ -19,7 +19,7 @@ var verror = require('verror'),
  * Base error. Instances will always have a string `message` and
  * a string `code` (a CamelCase string).
  */
-function JoyentError(options) {
+function SDCError(options) {
     assert.object(options, 'options');
     assert.string(options.message, 'options.message');
     assert.string(options.code, 'options.code');
@@ -38,7 +38,7 @@ function JoyentError(options) {
         self[k] = options[k];
     });
 }
-util.inherits(JoyentError, VError);
+util.inherits(SDCError, VError);
 
 function InternalError(cause, message) {
     if (message === undefined) {
@@ -46,29 +46,47 @@ function InternalError(cause, message) {
         cause = undefined;
     }
     assert.string(message);
-    JoyentError.call(this, {
+    SDCError.call(this, {
         cause: cause,
         message: message,
         code: 'InternalError',
         exitStatus: 1
     });
 }
-util.inherits(InternalError, JoyentError);
+util.inherits(InternalError, SDCError);
 
+
+/**
+ * CLI usage error
+ */
 function UsageError(cause, message) {
     if (message === undefined) {
         message = cause;
         cause = undefined;
     }
     assert.string(message);
-    JoyentError.call(this, {
+    SDCError.call(this, {
         cause: cause,
         message: message,
         code: 'Usage',
         exitStatus: 1
     });
 }
-util.inherits(UsageError, JoyentError);
+util.inherits(UsageError, SDCError);
+
+
+/**
+ * An error signing a request.
+ */
+function SigningError(cause) {
+    SDCError.call(this, {
+        cause: cause,
+        message: 'error signing request',
+        code: 'Signing',
+        exitStatus: 1
+    });
+}
+util.inherits(SigningError, SDCError);
 
 
 /**
@@ -81,7 +99,7 @@ function MultiError(errs) {
         var err = errs[i];
         lines.push(format('    error (%s): %s', err.code, err.message));
     }
-    JoyentError.call(this, {
+    SDCError.call(this, {
         cause: errs[0],
         message: lines.join('\n'),
         code: 'MultiError',
@@ -89,16 +107,17 @@ function MultiError(errs) {
     });
 }
 MultiError.description = 'Multiple errors.';
-util.inherits(MultiError, JoyentError);
+util.inherits(MultiError, SDCError);
 
 
 
 // ---- exports
 
 module.exports = {
-    JoyentError: JoyentError,
+    SDCError: SDCError,
     InternalError: InternalError,
     UsageError: UsageError,
+    SigningError: SigningError,
     MultiError: MultiError
 };
 // vim: set softtabstop=4 shiftwidth=4: