diff --git a/Decoding JSON.md b/Decoding-JSON.md
similarity index 99%
rename from Decoding JSON.md
rename to Decoding-JSON.md
index c09ba7b..7468d95 100644
--- a/Decoding JSON.md	
+++ b/Decoding-JSON.md
@@ -74,7 +74,7 @@ Now, to check if the parsing was successful, you can call `JsonObject::success()
         // Parsing fail
     }
 
-The result can be `false` for tree reasons:
+The result can be `false` for three reasons:
 
 1. the JSON string is invalid,
 2. the JSON string doesn't represent an object,