diff --git a/Garlic-Routing-V2.md b/Garlic-Routing-V2.md
index 9f5c4df..fad59ab 100644
--- a/Garlic-Routing-V2.md
+++ b/Garlic-Routing-V2.md
@@ -9,7 +9,7 @@ Only applies to tunnel participants, tunnel gateway is unchanged.
 
 ## Data Structures ##
 
-### BidDiTunnelRequestRecord ###
+### BiDiTunnelRequestRecord ###
 
 Function: replace tunnel request records, add certificates for future protocol expansion
 
@@ -94,7 +94,7 @@ Format:
 
 Note: no limits are imposed on this message's padding other than the resulting message must be 32 bytes aligned and is less than 65536 bytes, the limit imposed by I2NP.
 
-### BidiTunnelData ###
+### BiDiTunnelData ###
 
 I2NP Type: 32