fix some parameter annotations

lib/build.js

@@ -20,7 +20,7 @@ module.exports = (templatePath, templateOptions) => {
   let template;
 
   if (!/\.js$/.test(templatePath)) {
-    template = fs.readFileSync(templatePath);
+    template = fs.readFileSync(templatePath, { encoding: 'utf8' });
     try { template = JSON.parse(template); }
     catch (err) { return Promise.reject(err); }
     return Promise.resolve(template);

lib/conditions.js

@@ -70,7 +70,7 @@ conditions.if = (condition, ifTrue, ifFalse) => {
  * @static
  * @memberof cloudfriend
  * @name not
- * @param {boolean} condition - A condition such as Fn::Equals that evaluates
+ * @param {string|object} condition - A condition such as Fn::Equals that evaluates
  * to true or false.
  * @returns true for a condition that evaluates to false or returns false for a
  * condition that evaluates to true

lib/intrinsic.js

@@ -11,7 +11,7 @@ const intrinsic = module.exports = {};
  * @static
  * @memberof cloudfriend
  * @name base64
- * @param {string} value - The string value you want to convert to Base64.
+ * @param {object|string} value - The string value you want to convert to Base64.
  * @returns The original string, in Base64 representation.
  */
 intrinsic.base64 = (value) => {
@@ -185,7 +185,7 @@ intrinsic.sub = (str, variables) => {
  * returns the value of an output exported by another stack. You typically use
  * this function to create cross-stack references.
  *
- * @param {str|object} sharedValue - The stack output value that you want to import.
+ * @param {string|object} sharedValue - The stack output value that you want to import.
  * @returns the value of an output exported by another stack.
  */
 intrinsic.importValue = (sharedValue) => {