Apply suggestion from @nsatragno

Co-authored-by: Nina Satragno <nsatragno@gmail.com>

Author: timcappalli

index.bs

@@ -1068,7 +1068,7 @@ BCP 14 [[!RFC2119]] [[!RFC8174]] when, and only when, they appear in all capital
     public key pair created upon a [=[RP]=]'s request via the [=cmtgKey=] [=WebAuthn extension=].
 
     The [=Credential Manager Trust Group Public Key=] is conveyed to the [=[RP]=] during a
-    [=registration ceremony|registration=] or  [=authentication ceremony|authentication=] ceremony 
+    [=registration ceremony|registration=] or [=authentication ceremony|authentication=] ceremony 
     as part of the [=cmtgKey=] extension output.
 
     The [=Credential Manager Trust Group Private Key=] is stored by the [=authenticator=] / [=credential manager=].