diff --git a/Libraries/Text/RCTTextAttributes.m b/Libraries/Text/RCTTextAttributes.m
index 8e8a26590a100d..b648d7192eb398 100644
--- a/Libraries/Text/RCTTextAttributes.m
+++ b/Libraries/Text/RCTTextAttributes.m
@@ -227,7 +227,7 @@ - (CGFloat)effectiveFontSizeMultiplier
 #if !TARGET_OS_OSX // [TODO(macOS GH#774)
     if (_dynamicTypeRamp != RCTDynamicTypeRampUndefined) {
       UIFontMetrics *fontMetrics = RCTUIFontMetricsForDynamicTypeRamp(_dynamicTypeRamp);
-      CGFloat baseSize = RCTUIBaseSizeForDynamicTypeRamp(_dynamicTypeRamp);
+      CGFloat baseSize = RCTBaseSizeForDynamicTypeRamp(_dynamicTypeRamp);
       fontSizeMultiplier = [fontMetrics scaledValueForValue:baseSize] / baseSize;
     }
 #endif // ]TODO(macOS GH#774)
diff --git a/Libraries/Text/Text/RCTDynamicTypeRamp.h b/Libraries/Text/Text/RCTDynamicTypeRamp.h
index 0a273158f65fbd..b79c189ee65785 100644
--- a/Libraries/Text/Text/RCTDynamicTypeRamp.h
+++ b/Libraries/Text/Text/RCTDynamicTypeRamp.h
@@ -16,7 +16,7 @@ typedef NS_ENUM(NSInteger, RCTDynamicTypeRamp) {
   RCTDynamicTypeRampCaption2,
   RCTDynamicTypeRampCaption1,
   RCTDynamicTypeRampFootnote,
-  RCTDynamicTypeRampSubhead,
+  RCTDynamicTypeRampSubheadline,
   RCTDynamicTypeRampCallout,
   RCTDynamicTypeRampBody,
   RCTDynamicTypeRampHeadline,
@@ -36,5 +36,5 @@ typedef NS_ENUM(NSInteger, RCTDynamicTypeRamp) {
 /// Generates a `UIFontMetrics` instance representing a particular Dynamic Type ramp.
 UIFontMetrics * _Nonnull RCTUIFontMetricsForDynamicTypeRamp(RCTDynamicTypeRamp dynamicTypeRamp);
 /// The "reference" size for a particular font scale ramp, equal to a text element's size under default text size settings.
-CGFloat RCTUIBaseSizeForDynamicTypeRamp(RCTDynamicTypeRamp dynamicTypeRamp);
+CGFloat RCTBaseSizeForDynamicTypeRamp(RCTDynamicTypeRamp dynamicTypeRamp);
 #endif // ]TODO(macOS GH#774)
diff --git a/Libraries/Text/Text/RCTDynamicTypeRamp.m b/Libraries/Text/Text/RCTDynamicTypeRamp.m
index 803ac3c0316a59..bb584cd7d55771 100644
--- a/Libraries/Text/Text/RCTDynamicTypeRamp.m
+++ b/Libraries/Text/Text/RCTDynamicTypeRamp.m
@@ -15,7 +15,7 @@ @implementation RCTConvert (DynamicTypeRamp)
   @"caption2": @(RCTDynamicTypeRampCaption2),
   @"caption1": @(RCTDynamicTypeRampCaption1),
   @"footnote": @(RCTDynamicTypeRampFootnote),
-  @"subhead": @(RCTDynamicTypeRampSubhead),
+  @"subheadline": @(RCTDynamicTypeRampSubheadline),
   @"callout": @(RCTDynamicTypeRampCallout),
   @"body": @(RCTDynamicTypeRampBody),
   @"headline": @(RCTDynamicTypeRampHeadline),
@@ -36,7 +36,7 @@ @implementation RCTConvert (DynamicTypeRamp)
       @(RCTDynamicTypeRampCaption2): UIFontTextStyleCaption2,
       @(RCTDynamicTypeRampCaption1): UIFontTextStyleCaption1,
       @(RCTDynamicTypeRampFootnote): UIFontTextStyleFootnote,
-      @(RCTDynamicTypeRampSubhead): UIFontTextStyleSubheadline,
+      @(RCTDynamicTypeRampSubheadline): UIFontTextStyleSubheadline,
       @(RCTDynamicTypeRampCallout): UIFontTextStyleCallout,
       @(RCTDynamicTypeRampBody): UIFontTextStyleBody,
       @(RCTDynamicTypeRampHeadline): UIFontTextStyleHeadline,
@@ -51,7 +51,7 @@ @implementation RCTConvert (DynamicTypeRamp)
   return [UIFontMetrics metricsForTextStyle:textStyle];
 }
 
-CGFloat RCTUIBaseSizeForDynamicTypeRamp(RCTDynamicTypeRamp dynamicTypeRamp) {
+CGFloat RCTBaseSizeForDynamicTypeRamp(RCTDynamicTypeRamp dynamicTypeRamp) {
   static NSDictionary<NSNumber *, NSNumber *> *mapping;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
@@ -60,7 +60,7 @@ CGFloat RCTUIBaseSizeForDynamicTypeRamp(RCTDynamicTypeRamp dynamicTypeRamp) {
       @(RCTDynamicTypeRampCaption2): @11,
       @(RCTDynamicTypeRampCaption1): @12,
       @(RCTDynamicTypeRampFootnote): @13,
-      @(RCTDynamicTypeRampSubhead): @15,
+      @(RCTDynamicTypeRampSubheadline): @15,
       @(RCTDynamicTypeRampCallout): @16,
       @(RCTDynamicTypeRampBody): @17,
       @(RCTDynamicTypeRampHeadline): @17,
diff --git a/Libraries/Text/TextProps.js b/Libraries/Text/TextProps.js
index e705a2f85b2ee2..7b273f9f1f5c7c 100644
--- a/Libraries/Text/TextProps.js
+++ b/Libraries/Text/TextProps.js
@@ -193,7 +193,7 @@ export type TextProps = $ReadOnly<{|
     | 'caption2'
     | 'caption1'
     | 'footnote'
-    | 'subhead'
+    | 'subheadline'
     | 'callout'
     | 'body'
     | 'headline'