diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05577cb11d..85a5a2d5b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -306,7 +306,7 @@ Note that the new plugin does not handle Vue-specific JSX / TSX transform, which
 
 ### Volar Compatibility
 
-2.7 ships improved type definitions so it is no longer necessary to install `@vue/runtime-dom` just for Volar template type inference support. All you need now is the following config in `tsconfig.json`:
+2.7 ships improved type definitions, so it is no longer necessary to install `@vue/runtime-dom` just for Volar template type inference support. All you need now is the following config in `tsconfig.json`:
 
 ```json
 {
@@ -332,7 +332,7 @@ Vue Devtools 6.2.0 has added support for inspecting 2.7 Composition API state, b
 
 ### Bug Fixes
 
-* **compiler-sfc:** should transform non relative paths when base option is present ([008d78b](https://github.com/vuejs/vue/commit/008d78bd7280716d2d70e150e3ed2ac5ee8497f2))
+* **compiler-sfc:** should transform non-relative paths when base option is present ([008d78b](https://github.com/vuejs/vue/commit/008d78bd7280716d2d70e150e3ed2ac5ee8497f2))
 
 
 
diff --git a/examples/classic/commits/index.html b/examples/classic/commits/index.html
index 10bc8d4d40..a6e48c4b4a 100644
--- a/examples/classic/commits/index.html
+++ b/examples/classic/commits/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>Vue.js github commits example</title>
+    <title>Vue.js GitHub commits example</title>
     <style>
       #demo {
         font-family: 'Helvetica', Arial, sans-serif;
diff --git a/src/compiler/helpers.ts b/src/compiler/helpers.ts
index f07b28f35c..64af12d4ac 100644
--- a/src/compiler/helpers.ts
+++ b/src/compiler/helpers.ts
@@ -196,7 +196,7 @@ export function getBindingAttr(
 
 // note: this only removes the attr from the Array (attrsList) so that it
 // doesn't get processed by processAttrs.
-// By default it does NOT remove it from the map (attrsMap) because the map is
+// By default, it does NOT remove it from the map (attrsMap) because the map is
 // needed during codegen.
 export function getAndRemoveAttr(
   el: ASTElement,
diff --git a/src/compiler/index.ts b/src/compiler/index.ts
index e8a17e11dc..6fb10e55be 100644
--- a/src/compiler/index.ts
+++ b/src/compiler/index.ts
@@ -5,7 +5,7 @@ import { createCompilerCreator } from './create-compiler'
 import { CompilerOptions, CompiledResult } from 'types/compiler'
 
 // `createCompilerCreator` allows creating compilers that use alternative
-// parser/optimizer/codegen, e.g the SSR optimizing compiler.
+// parser/optimizer/codegen, e.g. the SSR optimizing compiler.
 // Here we just export a default compiler using the default parts.
 export const createCompiler = createCompilerCreator(function baseCompile(
   template: string,
diff --git a/src/compiler/optimizer.ts b/src/compiler/optimizer.ts
index 49ef6aee2f..b617105435 100644
--- a/src/compiler/optimizer.ts
+++ b/src/compiler/optimizer.ts
@@ -8,10 +8,10 @@ const genStaticKeysCached = cached(genStaticKeys)
 
 /**
  * Goal of the optimizer: walk the generated template AST tree
- * and detect sub-trees that are purely static, i.e. parts of
+ * and detect subtrees that are purely static, i.e. parts of
  * the DOM that never needs to change.
  *
- * Once we detect these sub-trees, we can:
+ * Once we detect these subtrees, we can:
  *
  * 1. Hoist them into constants, so that we no longer need to
  *    create fresh nodes for them on each re-render;
@@ -75,7 +75,7 @@ function markStaticRoots(node: ASTNode, isInFor: boolean) {
       node.staticInFor = isInFor
     }
     // For a node to qualify as a static root, it should have children that
-    // are not just static text. Otherwise the cost of hoisting out will
+    // are not just static text. Otherwise, the cost of hoisting out will
     // outweigh the benefits and it's better off to just always render it fresh.
     if (
       node.static &&
