diff --git a/src/main/java/com/sparrowwallet/drongo/ExtendedKey.java b/src/main/java/com/sparrowwallet/drongo/ExtendedKey.java
index 56c9abf..adb7a10 100644
--- a/src/main/java/com/sparrowwallet/drongo/ExtendedKey.java
+++ b/src/main/java/com/sparrowwallet/drongo/ExtendedKey.java
@@ -186,7 +186,7 @@ public class ExtendedKey {
         }
 
         public String getDisplayName() {
-            return name.replace('p', 'P');
+            return name;
         }
 
         public int getHeader() {
diff --git a/src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java b/src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java
index 524e30e..be28073 100644
--- a/src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java
+++ b/src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java
@@ -329,7 +329,7 @@ public class OutputDescriptor {
                 keyDerivationMap.put(extendedPublicKey, keyDerivation);
                 keyChildDerivationMap.put(extendedPublicKey, childDerivationPath);
             } catch(ProtocolException e) {
-                throw new ProtocolException("Invalid xPub: " + e.getMessage());
+                throw new ProtocolException("Invalid xpub: " + e.getMessage());
             }
         }