diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ac58cca..dd05194b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,8 +16,9 @@
 - Fix license URL in README file. [#1189](https://github.com/mmistakes/minimal-mistakes/pull/1189)
 - Reduce amount of blank pages when printing in Chrome. [#1196](https://github.com/mmistakes/minimal-mistakes/issues/1196)
 - Remove `#disqus_thread` duplicate  from `comments-providers/disqus.html` as it is already in `comments.html` include. [#1199](https://github.com/mmistakes/minimal-mistakes/issues/1199)
-- Fix Liquid syntax esrrors in `tag-list.html` and `category-list.html` includes by removing parenthesis in `assign`s. [#1223](https://github.com/mmistakes/minimal-mistakes/issues/1223)
+- Fix Liquid syntax errors in `tag-list.html` and `category-list.html` includes by removing parenthesis in `assign`s. [#1223](https://github.com/mmistakes/minimal-mistakes/issues/1223)
 - Fix Fix Liquid syntax error: "Expected id but found open_square in `"{{page.[include.id] }}"`" in `gallery` include.
+- Fix Liquid syntax error: "Expected end_of_string but found pipe in `"name in __names | sort"`" in `group-by-array` include.
 
 ## [4.5.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.5.1)
 
diff --git a/_includes/group-by-array b/_includes/group-by-array
index 251302c7..708de41a 100644
--- a/_includes/group-by-array
+++ b/_includes/group-by-array
@@ -18,7 +18,7 @@
 
 <!-- Uniq -->
 {% assign __names =  __names | sort %}
-{% for name in __names | sort %}
+{% for name in __names %}
 
 <!-- If not equal to previous then it must be unique as sorted -->
 {% unless name == previous %}
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index 6a0fdf77..d3c2eda9 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -25,8 +25,9 @@ last_modified_at: 2017-09-04T21:14:27-04:00
 - Fix license URL in README file. [#1189](https://github.com/mmistakes/minimal-mistakes/pull/1189)
 - Reduce amount of blank pages when printing in Chrome. [#1196](https://github.com/mmistakes/minimal-mistakes/issues/1196)
 - Remove `#disqus_thread` duplicate  from `comments-providers/disqus.html` as it is already in `comments.html` include. [#1199](https://github.com/mmistakes/minimal-mistakes/issues/1199)
-- Fix Liquid syntax esrrors in `tag-list.html` and `category-list.html` includes by removing parenthesis in `assign`s. [#1223](https://github.com/mmistakes/minimal-mistakes/issues/1223)
+- Fix Liquid syntax errors in `tag-list.html` and `category-list.html` includes by removing parenthesis in `assign`s. [#1223](https://github.com/mmistakes/minimal-mistakes/issues/1223)
 - Fix Fix Liquid syntax error: "Expected id but found open_square in `"{{page.[include.id] }}"`" in `gallery` include.
+- Fix Liquid syntax error: "Expected end_of_string but found pipe in `"name in __names | sort"`" in `group-by-array` include.
 
 ## [4.5.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.5.1)
 
diff --git a/docs/_includes/group-by-array b/docs/_includes/group-by-array
index 251302c7..708de41a 100644
--- a/docs/_includes/group-by-array
+++ b/docs/_includes/group-by-array
@@ -18,7 +18,7 @@
 
 <!-- Uniq -->
 {% assign __names =  __names | sort %}
-{% for name in __names | sort %}
+{% for name in __names %}
 
 <!-- If not equal to previous then it must be unique as sorted -->
 {% unless name == previous %}