diff --git a/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_brp.scss b/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_brp.scss
index 4fd209ac6a..9be1edaaa4 100644
--- a/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_brp.scss
+++ b/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_brp.scss
@@ -30,6 +30,7 @@ $gray: #9e9e9e;
     position: relative;
     overflow: hidden;
     height: 0;
+    /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
     padding-bottom: 56.25%;
 
     text-align: center;
@@ -273,9 +274,10 @@ $gray: #9e9e9e;
           img {
             width: 100%;
           }
+          /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
           padding-bottom: 56.25%;
         }
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_nci-foundation_variables.scss b/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_nci-foundation_variables.scss
index 107cfb5ee1..bf56165bc2 100644
--- a/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_nci-foundation_variables.scss
+++ b/docroot/profiles/custom/cgov_site/themes/custom/cgov/src/styles/_nci-foundation_variables.scss
@@ -435,7 +435,7 @@ $flex-video-padding-top: em-calc(0);
 // $flex-video-margin-bottom: em-calc(16);
 
 // We use this to control widescreen bottom padding
-
+/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
 $flex-video-widescreen-padding-bottom: 56.25%;
 
 //
diff --git a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/entrypoints/ckeditor/ckeditor-ck-scope.scss b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/entrypoints/ckeditor/ckeditor-ck-scope.scss
index 484d3af8fc..6d890b7dc6 100644
--- a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/entrypoints/ckeditor/ckeditor-ck-scope.scss
+++ b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/entrypoints/ckeditor/ckeditor-ck-scope.scss
@@ -258,6 +258,7 @@ figure {
 .flex-video {
 	margin-bottom: 0;
 	position: relative;
+	/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
 	padding-bottom: 56.25%;
 	padding-top: 0px;
 	overflow: hidden;
diff --git a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/legacy/styles/_nci-foundation_variables.scss b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/legacy/styles/_nci-foundation_variables.scss
index 7b3a5b9c05..ad512a6ef2 100644
--- a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/legacy/styles/_nci-foundation_variables.scss
+++ b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/legacy/styles/_nci-foundation_variables.scss
@@ -413,7 +413,7 @@ $flex-video-padding-top: em-calc(0);
 // $flex-video-margin-bottom: em-calc(16);
 
 // We use this to control widescreen bottom padding
-
+/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
 $flex-video-widescreen-padding-bottom: 56.25%;
 
 //
diff --git a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-inline-video/index.scss b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-inline-video/index.scss
index 7e90553f11..69c4611b0d 100644
--- a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-inline-video/index.scss
+++ b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-inline-video/index.scss
@@ -8,8 +8,7 @@
 	// removed for audio described link
 	// overflow:hidden
 	@include u-padding-top(0);
-	// Legacy css - we shoulnt use percents
-	// todo - clean up to use tokens
+	/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
 	padding-bottom: 56.25%;
   background-color: color($theme-color-accent-cool-darker);
 
@@ -25,8 +24,9 @@
 	}
 
 	&__audio_described	{
-		// Legacy css - we shoulnt use percents
-	  // todo - clean up to use tokens
+
+	/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
+	/* plus the extra height for audio described */
 		padding-bottom: calc(56.25% + 48px);
 	}
 
@@ -75,6 +75,7 @@
 		@include u-margin-bottom(0);
 		overflow: hidden;
 		@include u-padding-top(0);
+		/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
 		padding-bottom: 56.25%;
 		background-color: color($theme-color-accent-cool-darker);
 
diff --git a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-video/index.scss b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-video/index.scss
index e503ebda0e..b8d9de61b8 100644
--- a/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-video/index.scss
+++ b/docroot/profiles/custom/cgov_site/themes/custom/ncids_trans/front-end/src/lib/components/cgdp-video/index.scss
@@ -28,6 +28,7 @@
 		margin-bottom: 0;
 		overflow: hidden;
 		padding-top: 0;
+		/* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) x width 100% */
 		padding-bottom: 56.25%;
 		background-color: color($theme-color-accent-cool-darker);