From 77bf56066c1e2197fe7c50b415fc376ced59eb29 Mon Sep 17 00:00:00 2001
From: Anthony Kim <anthonykim@microsoft.com>
Date: Thu, 9 Jul 2026 11:00:31 -0700
Subject: [PATCH] wordings

---
 addons/addon-webgl/src/GlyphRenderer.ts | 8 ++++----
 addons/addon-webgl/src/Types.ts         | 4 +++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/addons/addon-webgl/src/GlyphRenderer.ts b/addons/addon-webgl/src/GlyphRenderer.ts
index 1289adec2..3c77c7cf5 100644
--- a/addons/addon-webgl/src/GlyphRenderer.ts
+++ b/addons/addon-webgl/src/GlyphRenderer.ts
@@ -100,7 +100,7 @@ export class GlyphRenderer extends Disposable {
   private readonly _attributesBuffer: WebGLBuffer;
 
   private _atlas: ITextureAtlas | undefined;
-  private _lastAtlasPagesVersion: number = -1;
+  private _lastSeenPagesVersion: number = -1;
   private _activeBuffer: number = 0;
   private readonly _vertices: IVertices = {
     count: 0,
@@ -218,8 +218,8 @@ export class GlyphRenderer extends Disposable {
     if (!this._atlas) {
       return true;
     }
-    if (this._atlas.pagesVersion !== this._lastAtlasPagesVersion) {
-      this._lastAtlasPagesVersion = this._atlas.pagesVersion;
+    if (this._atlas.pagesVersion !== this._lastSeenPagesVersion) {
+      this._lastSeenPagesVersion = this._atlas.pagesVersion;
       return true;
     }
     return false;
@@ -383,7 +383,7 @@ export class GlyphRenderer extends Disposable {
 
   public setAtlas(atlas: ITextureAtlas): void {
     this._atlas = atlas;
-    this._lastAtlasPagesVersion = -1;
+    this._lastSeenPagesVersion = -1;
     this.invalidateAtlasTextures();
   }
 
diff --git a/addons/addon-webgl/src/Types.ts b/addons/addon-webgl/src/Types.ts
index 3a85eb4d0..1c9a7f931 100644
--- a/addons/addon-webgl/src/Types.ts
+++ b/addons/addon-webgl/src/Types.ts
@@ -68,7 +68,9 @@ export interface ITextureAtlas extends IDisposable {
   warmUp(): void;
 
   /**
-   * Incremented whenever texture page indexes or coordinates cached by renderers may be stale.
+   * Incremented whenever cached glyph texture page indexes or coordinates may be stale.
+   * Each renderer tracks its own last-seen value so shared atlas changes are observed
+   * independently by every terminal.
    */
   readonly pagesVersion: number;