diff --git a/BTP.markdown b/BTP.markdown
index f909ff2..9bd550b 100644
--- a/BTP.markdown
+++ b/BTP.markdown
@@ -38,10 +38,10 @@ The key derivation function takes an input key *k*, a label *p*, and zero or mor
 
 Each device derives four initial keys from *S*:
 
-*ack = KDF(*S*, "ALICE_CIPHER_KEY")*
-*bck = KDF(*S*, "BOB_CIPHER_KEY")*
-*atk = KDF(*S*, "ALICE_TAG_KEY")*
-*btk = KDF(*S*, "BOB_TAG_KEY")*
+* *ack = KDF(*S*, "ALICE_CIPHER_KEY")*
+* *bck = KDF(*S*, "BOB_CIPHER_KEY")*
+* *atk = KDF(*S*, "ALICE_TAG_KEY")*
+* *btk = KDF(*S*, "BOB_TAG_KEY")*
 
 Alice sets *ock = ack*, *ick = bck*, *otk = atk*, and *itk = btk*. Bob sets *ock = bck*, *ick = ack*, *otk = btk*, and *itk = atk*. Thus Alice's outgoing keys (*ock* and *otk*) are the same as Bob's incoming keys (*ick* and *itk*) and vice versa.
 
@@ -55,7 +55,7 @@ If a sender starts sending a stream at time *t* according to the sender's clock,
 
 The four initial keys derived from *S* are the keys for period *P - 1*. The keys for each subsequent period *i* are derived from the previous period's keys as follows:
 
-*next_ock = KDF(ock, "ROTATE", int(64, i))*
-*next_ick = KDF(ick, "ROTATE", int(64, i))*
-*next_otk = KDF(otk, "ROTATE", int(64, i))*
-*next_itk = KDF(itk, "ROTATE", int(64, i))*
+* *next_ock = KDF(ock, "ROTATE", int(64, i))*
+* *next_ick = KDF(ick, "ROTATE", int(64, i))*
+* *next_otk = KDF(otk, "ROTATE", int(64, i))*
+* *next_itk = KDF(itk, "ROTATE", int(64, i))*