diff --git a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2-u.js b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2-u.js
index e4ad929dce..cc43f0df1e 100644
--- a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2-u.js
+++ b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2-u.js
@@ -2,10 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-description: GroupSpecifiers must be unique.
+description: GroupSpecifiers within one alternative must be unique.
 info: |
-  It is a Syntax Error if Pattern contains multiple GroupSpecifiers
-  whose enclosed RegExpIdentifierNames have the same StringValue.
+  It is a Syntax Error if |Pattern| contains two distinct |GroupSpecifier|s
+  _x_ and _y_ for which CapturingGroupName(_x_) is the same as
+  CapturingGroupName(_y_) and such that CanBothParticipate(_x_, _y_) is *true*.
 esid: sec-patterns-static-semantics-early-errors
 negative:
   phase: parse
diff --git a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2.js b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2.js
index edcd5e06ad..21bf468cc7 100644
--- a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2.js
+++ b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-2.js
@@ -2,10 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-description: GroupSpecifiers must be unique.
+description: GroupSpecifiers within one alternative must be unique.
 info: |
-  It is a Syntax Error if Pattern contains multiple GroupSpecifiers
-  whose enclosed RegExpIdentifierNames have the same StringValue.
+  It is a Syntax Error if |Pattern| contains two distinct |GroupSpecifier|s
+  _x_ and _y_ for which CapturingGroupName(_x_) is the same as
+  CapturingGroupName(_y_) and such that CanBothParticipate(_x_, _y_) is *true*.
 esid: sec-patterns-static-semantics-early-errors
 negative:
   phase: parse
diff --git a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-u.js b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-u.js
index 44564d3837..41ff9f414a 100644
--- a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-u.js
+++ b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier-u.js
@@ -2,10 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-description: GroupSpecifiers must be unique.
+description: GroupSpecifiers within one alternative must be unique.
 info: |
-  It is a Syntax Error if Pattern contains multiple GroupSpecifiers
-  whose enclosed RegExpIdentifierNames have the same StringValue.
+  It is a Syntax Error if |Pattern| contains two distinct |GroupSpecifier|s
+  _x_ and _y_ for which CapturingGroupName(_x_) is the same as
+  CapturingGroupName(_y_) and such that CanBothParticipate(_x_, _y_) is *true*.
 esid: sec-patterns-static-semantics-early-errors
 negative:
   phase: parse
diff --git a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js
index e9a7ecbb18..7fbd5e134e 100644
--- a/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js
+++ b/test/language/literals/regexp/named-groups/invalid-duplicate-groupspecifier.js
@@ -2,10 +2,11 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-description: GroupSpecifiers must be unique.
+description: GroupSpecifiers within one alternative must be unique.
 info: |
-  It is a Syntax Error if Pattern contains multiple GroupSpecifiers
-  whose enclosed RegExpIdentifierNames have the same StringValue.
+  It is a Syntax Error if |Pattern| contains two distinct |GroupSpecifier|s
+  _x_ and _y_ for which CapturingGroupName(_x_) is the same as
+  CapturingGroupName(_y_) and such that CanBothParticipate(_x_, _y_) is *true*.
 esid: sec-patterns-static-semantics-early-errors
 negative:
   phase: parse