diff --git a/verification/spec/connection-handshake/Environment.tla b/verification/spec/connection-handshake/Environment.tla
index 6c9acf6def..0b0bb87f8b 100644
--- a/verification/spec/connection-handshake/Environment.tla
+++ b/verification/spec/connection-handshake/Environment.tla
@@ -5,7 +5,7 @@
     This module is part of the TLA+ specification for the IBC Connection
     Handshake protocol (identifier 'ICS3'). This is a high-level spec of ICS3.
     
-    This module captures the operators and actions outside of the CH protocol
+    This module captures the operators and actions outside of the ICS3 protocol
     itself (i.e., the environment).
     Among others, the environment does the following:
     - creates two instances of ConnectionHandshakeModule,
diff --git a/verification/spec/connection-handshake/README.md b/verification/spec/connection-handshake/README.md
index 3cc273b189..ec22ca6fb4 100644
--- a/verification/spec/connection-handshake/README.md
+++ b/verification/spec/connection-handshake/README.md
@@ -1,7 +1,7 @@
-# IBC Connection Handshake (CH) TLA+ spec
+# IBC Connection Handshake (ICS3) TLA+ spec
 
 
-This is a high-level TLA+ spec for the IBC Connection Handshake (CH) protocol.
+This is a high-level TLA+ spec for the IBC Connection Handshake (ICS3) protocol.
 The spec has three modules: 
 
   - `Environment.tla` (main model lives here)