diff --git a/index.bs b/index.bs
index e42e52b5c..b18886b7d 100644
--- a/index.bs
+++ b/index.bs
@@ -6779,7 +6779,7 @@ Note: this extension may be implemented for [=authenticators=] that do not use [
             if not present, the extension outputs will be {{BufferSource}} values.
 
             The arguments in the {{SubtleCrypto/importKey}} invocation will be:
-            - `format`: `"raw"`
+            - `format`: {{KeyFormat/raw}}
             - `keyData`: The PRF output.
             - `algorithm`: `"HKDF"`
             - `extractable`: [FALSE]
@@ -6813,12 +6813,12 @@ Note: this extension may be implemented for [=authenticators=] that do not use [
                    1. If |firstOutput| is present, set
                       <code>{{AuthenticationExtensionsPRFOutputs/results}}.{{AuthenticationExtensionsPRFValues/first}}</code>
                       to the result of invoking <code>|subtleCrypto|.{{SubtleCrypto/importKey}}</code> with the arguments
-                      <code>"raw"</code>, |firstOutput|, <code>"HKDF"</code>, [FALSE] and
+                      {{KeyFormat/raw}}, |firstOutput|, <code>"HKDF"</code>, [FALSE] and
                       <code>{{AuthenticationExtensionsPRFInputs/importCryptoKey}}.{{AuthenticationExtensionsPRFImportCryptoKeyParams/keyUsages}}</code>.
                    1. If |secondOutput| is present, set
                       <code>{{AuthenticationExtensionsPRFOutputs/results}}.{{AuthenticationExtensionsPRFValues/second}}</code>
                       to the result of invoking <code>|subtleCrypto|.{{SubtleCrypto/importKey}}</code> with the arguments
-                      <code>"raw"</code>, |secondOutput|, <code>"HKDF"</code>, [FALSE] and
+                      {{KeyFormat/raw}}, |secondOutput|, <code>"HKDF"</code>, [FALSE] and
                       <code>{{AuthenticationExtensionsPRFInputs/importCryptoKey}}.{{AuthenticationExtensionsPRFImportCryptoKeyParams/keyUsages}}</code>.
            </dl>