diff --git a/src/Zenith/Utils.hs b/src/Zenith/Utils.hs
index 835099a..cfb98e9 100644
--- a/src/Zenith/Utils.hs
+++ b/src/Zenith/Utils.hs
@@ -285,7 +285,7 @@ getZcashPrice currency = do
 -- Parse memo result to convert it to a ByteString
 processEither :: Either String BC.ByteString -> BC.ByteString
 processEither (Right bs) = bs
-processEither (Left e) =  BC.pack e -- Returns the error 
+processEither (Left e) =  BC.pack e -- Returns the error message
 
 -- Parse the query string into key-value pairs 
 parseQuery :: String -> [(String, String)]
diff --git a/test/Spec.hs b/test/Spec.hs
index 3938dd8..fd2deb9 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -1111,7 +1111,7 @@ main = do
         case price of
           Just p  ->  p `shouldNotBe` 0.0
           Nothing -> assertFailure "Failed to get ZEC price"
-    describe "Parse an URI payment string" $ do
+    describe "Parse an URI payment string (all fields filled) " $ do
       it ("Parsing URI -> " ++ "zcash:ztestsapling10yy2ex5....") $ do
         let zcashURI2 = "zcash:ztestsapling10yy2ex5dcqkclhc7z7yrnjq2z6feyjad56ptwlfgmy77dmaqqrl9gyhprdx59qgmsnyfska2kez?amount=100&memo=SGVsbG8sIFdvcmxkIQ==&message=Test"
         case parseZcashPayment zcashURI2 of
@@ -1119,3 +1119,19 @@ main = do
               print p
               (uriAmount p) `shouldBe`  Just 100.0   
           Left e  -> assertFailure $ "Error: " ++ e
+    describe "Parse an URI payment string (just address and amount fields provided) " $ do
+      it ("Parsing URI -> " ++ "zcash:ztestsapling10yy2ex5....") $ do
+        let zcashURI3 = "zcash:ztestsapling10yy2ex5dcqkclhc7z7yrnjq2z6feyjad56ptwlfgmy77dmaqqrl9gyhprdx59qgmsnyfska2kez?amount=100"
+        case parseZcashPayment zcashURI3 of
+          Right p -> do 
+              print p
+              (uriAmount p) `shouldBe`  Just 100.0   
+          Left e  -> assertFailure $ "Error: " ++ e
+    describe "Parse an URI payment string (invalid URI provided) " $ do
+      it ("Parsing URI -> " ++ "zcash:ztestsapling10yy2ex5....") $ do
+        let zcashURI3 = "z:ztestsapling10yy2ex5dcqkclhc7z7yrnjq2z6feyjad56ptwlfgmy77dmaqqrl9gyhprdx59qgmsnyfska2kez?amount=100"
+        case parseZcashPayment zcashURI3 of
+          Right p -> do 
+              print p
+              (uriAmount p) `shouldBe`  Just 100.0   
+          Left e  -> assertFailure $ "Error: " ++ e