diff --git a/.travis.yml b/.travis.yml
index efd82de1..ee8bff0b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,5 @@ node_js:
   - '5'
   - '4'
   - '0.12'
-before_script:
-  - npm install -g gulp-cli
-script: gulp
+allowed_failures:
+  node_js: '0.12'
diff --git a/README.md b/README.md
index 7c708747..28893ca2 100644
--- a/README.md
+++ b/README.md
@@ -1202,7 +1202,7 @@ Return true if the given value is an even number.
 ### [{{ifNth}}](lib/comparison.js#L327)
 
 Conditionally renders a block if the remainder is zero when
-`a` operand is divided by `b`. If an inverse block is specified
+`b` operand is divided by `a`. If an inverse block is specified
 it will be rendered when the remainder is **not zero**.
 
 **Params**
@@ -3345,4 +3345,4 @@ Released under the [MIT License](LICENSE).
 
 ***
 
-_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on November 17, 2017._
\ No newline at end of file
+_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on November 17, 2017._
diff --git a/appveyor.yml b/appveyor.yml
index ebbad0a7..e0321d2a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,10 +2,13 @@
 environment:
   matrix:
     # node.js
+    - nodejs_version: "9.0"
     - nodejs_version: "8.0"
     - nodejs_version: "7.0"
     - nodejs_version: "6.0"
     - nodejs_version: "5.0"
+    - nodejs_version: "4.0"
+    - nodejs_version: "0.12"
 
 # Install scripts. (runs after repo cloning)
 install:
@@ -13,15 +16,12 @@ install:
   - ps: Install-Product node $env:nodejs_version
   # install modules
   - npm install
-  - npm install -g gulp-cli
 
 # Post-install test scripts.
 test_script:
   # Output useful info for debugging.
   - node --version
   - npm --version
-  # run tests
-  - gulp
 
 # Don't actually build.
 build: off
diff --git a/lib/comparison.js b/lib/comparison.js
index 0b404e9a..9bc7c821 100644
--- a/lib/comparison.js
+++ b/lib/comparison.js
@@ -313,7 +313,7 @@ helpers.ifEven = function(num, options) {
 
 /**
  * Conditionally renders a block if the remainder is zero when
- * `a` operand is divided by `b`. If an inverse block is specified
+ * `b` operand is divided by `a`. If an inverse block is specified
  * it will be rendered when the remainder is **not zero**.
  *
  * @param {Number}