diff --git a/index.md b/index.md
index 84e2d7c..d1e68a0 100644
--- a/index.md
+++ b/index.md
@@ -15,7 +15,7 @@ Everything on board, ready for action. Written in vanilla JavaScript without hid
 
 ### Lightweight
 
-The modular structure provides excellent compression. Oh yes, it weights only **~[[filesize file=node_modules/@glidejs/glide/dist/glide.min.js]]kb (~[[gzipsize file=node_modules/@glidejs/glide/dist/glide.min.js]]kb gzipped)** with every functionality included.
+The modular structure provides excellent compression. Oh yes, it weighs only **~[[filesize file=node_modules/@glidejs/glide/dist/glide.min.js]]kb (~[[gzipsize file=node_modules/@glidejs/glide/dist/glide.min.js]]kb gzipped)** with every functionality included.
 
 ### Modular
 
diff --git a/options.md b/options.md
index 38687e1..6d64e12 100644
--- a/options.md
+++ b/options.md
@@ -68,7 +68,7 @@ Start at specific slide number defined with zero-based index.
 
 ### `perView`
 
-A number of slides visible on the single viewport.
+The number of slides visible on the single viewport.
 
 <small>default: `1` type: `Number`</small>
 
@@ -90,7 +90,7 @@ Focus currently active slide at a specified position in the track. Available inp
 
 ### `gap`
 
-A size of the gap added between slides.
+The size of the gap added between slides.
 
 <small>default: `10` type: `Number`</small>
 
@@ -142,7 +142,7 @@ Stop running `perView` number of slides from the end. Use this option if you don
 
 ### `swipeThreshold`
 
-Minimal swipe distance needed to change the slide. Use `false` for turning off a swiping.
+Minimal swipe distance needed to change the slide. Use `false` for turning off swiping.
 
 <small>default: `80` type: `Number|Boolean`</small>
 
@@ -172,7 +172,7 @@ A maximum number of slides to which movement will be made on swiping or dragging
 
 ### `touchRatio`
 
-Alternate moving distance ratio of the slides on a swiping and dragging.
+Alternate moving distance ratio of the slides on swiping and dragging.
 
 <small>default: `0.5` type: `Number`</small>
 
@@ -246,7 +246,7 @@ Moving direction mode. Available inputs:
 
 ### `peek`
 
-The distance value of the next and previous viewports which have to peek in the current view. Accepts number and pixels as a string. Left and right peeking can be setup separately with a directions object. For example:
+The distance value of the next and previous viewports which have to peek in the current view. Accepts number and pixels as a string. Left and right peeking can be set up separately with a directions object. For example:
 - `100` - peek 100px on the both sides,
 - `{ before: 100, after: 50 }` - peek 100px on the left side and 50px on the right side.
 
diff --git a/setup.md b/setup.md
index 641614d..4a1cc7f 100644
--- a/setup.md
+++ b/setup.md
@@ -8,11 +8,11 @@ algolia: true
 
 ### Installation
 
-There are several ways to pull-in Glide.js into your project.
+There are several ways to pull in Glide.js into your project.
 
 #### NPM
 
-It is a recommended way. This installation method guarantees a trouble-free use with bundlers like [Webpack](//webpack.js.org/) or [Rollup](//rollupjs.org/).
+It is a recommended way. This installation method guarantees trouble-free use with bundlers like [Webpack](//webpack.js.org/) or [Rollup](//rollupjs.org/).
 
 ```bash
 # Install the last stable version
@@ -35,8 +35,8 @@ You can also use a reference to some of the popular CDN services:
 
 Glide.js is built in a few different variants. They can be found in the `dist/` directory.
 
-- **Complete** - Builds that contains both required and optional modules.
-- **Modular** - Builds that contains only required modules. Optional modules are exported for import on demand.
+- **Complete** - Builds that contain both required and optional modules.
+- **Modular** - Builds that contain only required modules. Optional modules are exported for import on demand.
 
 |   | UMD | ES Module |
 |---|---|---|
@@ -46,7 +46,7 @@ Glide.js is built in a few different variants. They can be found in the `dist/`
 
 ## Configuration
 
-[[lead]]It is required to prepare necessary markup and essential styles[[/lead]]
+[[lead]]It is required to prepare the necessary markup and essential styles[[/lead]]
 
 ### Styling
 
@@ -54,7 +54,7 @@ Glide.js styles are divided into two separate files:
 - `glide.core` - Core styles, required for Glide.js to work
 - `glide.theme` - Visual styles. Optional styling for markup.
 
-This way, the library doesn't force you to overwrite it's visual styles if you want to implement your own look.
+This way, the library doesn't force you to overwrite its visual styles if you want to implement your own look.
 
 #### Using `<link>`
 
@@ -118,7 +118,7 @@ Schema value of the `data-glide-dir` attribute must be in special format:
 
 #### Arrows
 
-Knowing about the controls, preparing the arrows navigation is quite simple.
+Knowing about the controls and preparing the arrows navigation is quite simple.
 
 ```html
 <div class="glide">