diff --git a/packages/babel-parser/src/parser/lval.js b/packages/babel-parser/src/parser/lval.js
index fa8a9075a91e..0651b24ab07d 100644
--- a/packages/babel-parser/src/parser/lval.js
+++ b/packages/babel-parser/src/parser/lval.js
@@ -46,7 +46,7 @@ export default class LValParser extends NodeUtils {
   ): Node {
     if (node) {
       if (node.extra && node.extra.parenthesized) {
-        // any nested parenthensis means the left-hand side of the expression cannot have an assignment pattern
+        // any nested parenthensis invalidates left-hand assignment patterns
         allowAssign = false;
       }
       switch (node.type) {
diff --git a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-1/options.json b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-1/options.json
index 81100701f237..95f81f79483f 100644
--- a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-1/options.json
+++ b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-1/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "Invalid assignment pattern in left-hand expression (1:3)"
-}
\ No newline at end of file
+}
diff --git a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-2/options.json b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-2/options.json
index 0a3d1dc94cb2..c833b3c157ce 100644
--- a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-2/options.json
+++ b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-2/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "Invalid assignment pattern in left-hand expression (1:2)"
-}
\ No newline at end of file
+}
diff --git a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-3/options.json b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-3/options.json
index fb5a3db43982..6636244c008c 100644
--- a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-3/options.json
+++ b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-3/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "Invalid assignment pattern in left-hand expression (1:6)"
-}
\ No newline at end of file
+}
diff --git a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-4/options.json b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-4/options.json
index 8f5460c2dbe0..92c8646f8705 100644
--- a/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-4/options.json
+++ b/packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-4/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "Invalid assignment pattern in left-hand expression (1:9)"
-}
\ No newline at end of file
+}