diff --git a/dip-0003.md b/dip-0003.md
index 38e1ef0..270a405 100644
--- a/dip-0003.md
+++ b/dip-0003.md
@@ -210,7 +210,7 @@ Reorganisations of the chain must also correctly undo changes to the chain-tips
 
 ### ProRegTx and ProUpRegTx
 
-A ProRegTx is invalid if of these conditions are true:
+A ProRegTx is invalid if any of these conditions are true:
 
   1. collateralIndex >= transaction output count
   2. Any KeyId* field is null (KeyIdOwner, KeyIdOperator or KeyIdVoting)
@@ -228,7 +228,7 @@ Please note that while deploying DIP3, additional and temporary validation rules
 
 ### ProUpServTx
 
-A ProUpServTx is invalid if of these conditions are true:
+A ProUpServTx is invalid if any of these conditions are true:
 
   1. proTxHash can not be found in the registered masternode set
   2. ipAddress is set and port is not set to the default mainnet port
@@ -243,7 +243,7 @@ Please note that while deploying DIP3, additional and temporary validation rules
 
 ### ProUpRevTx
 
-A ProUpRevTx is invalid if of these conditions are true:
+A ProUpRevTx is invalid if any of these conditions are true:
 
 1. proTxHash can not be found in the registered masternode set
 2. The inputsHash does not match the calculated hash