README.md in nutrella-1.5.1 vs README.md in nutrella-1.5.2

@@ -73,11 +73,17 @@
 
 ```yaml
     enable_trello_app: true
 ```
 
+Adjust the `enable_logging` configuration to start logging diagnostics:
 
+```yaml
+    enable_logging: true
+```
+
+
 ## Usage
 
 Create or open a Trello board based on the name of the current git branch:
 
 ```sh
@@ -93,26 +99,32 @@
 Note: you can invoke `nutrella` from your project directory or from any subdirectory.
 
 
 ## Troubleshooting
 
-1. For `method_missing: undefined method 'this'`
+1. If an unexpected Trello board is opening try clearing your cache:
 
+    ```sh
+    rm ~/.nutrella.cache.yml
+    ```
+
+1. If you see `method_missing: undefined method 'this'`
+
     Try updating `RubyGems`
 
     ```sh
     gem update --system
     ```
 
-1. For `uninitialized constant Gem::Source (NameError)`
+1. If you see `uninitialized constant Gem::Source (NameError)`
 
     Try updating `bundler`
 
     ```sh
     gem install bundler
     ```
 
-1. For `cannot load such file -- nutrella`
+1. If you see `cannot load such file -- nutrella`
 
     This error may appear after running `irb -rubygems` and you are unable to `require 'nutrella'`.
     Try running `irb -rubygems` from your home directory:
 
     ```sh