diff --git a/README.md b/README.md
index c0ce0b9..efec97c 100644
--- a/README.md
+++ b/README.md
@@ -164,7 +164,7 @@ Show battery status.
 
 Shows configurable weather information as provided by the BBC. Recommended over the `Temperature` block due to how much more reliable the BBC service is.
 
-`bbc = Barr::Blocks::BBCWeather.new location: "5308655", format: "${TEMPERATURE} wind: ${WINDSPEED} ${WINDDIRECTION}"
+`bbc = Barr::Blocks::BBCWeather.new location: "5308655", format: "${TEMPERATURE} wind: ${WINDSPEED} ${WINDDIRECTION}"`
 
 | Option | Value | Description | Default |
 | --- | --- | --- | --- |
@@ -180,7 +180,7 @@ Shows configurable weather information as provided by the BBC. Recommended over
 | `${WINDSPEED}` | Current wind speed | 
 | `${WINDDIRECTION}` | Current wind direction | 
 | `${HUMIDITY}` | Current humidity percentage | 
-| `${VISIBILITY}` | Sumamry of visbility, e.g. "Excellent" | 
+| `${VISIBILITY}` | Summary of visbility, e.g. "Excellent" | 
 | `${PRESSURE}` | Current pressure and trend, e.g. "1000mb, Falling" |
  
 #### Bspwm (Experimental)
diff --git a/lib/barr/block.rb b/lib/barr/block.rb
index b4b4539..aef40f0 100644
--- a/lib/barr/block.rb
+++ b/lib/barr/block.rb
@@ -42,25 +42,6 @@ def tmp_filename
       return @tmp_filename
     end
 
-    def substitue_variables string_format, subs
-      reg = /\$\{\w+\}/i
-      new_string = string_format
-      matches = string_format.scan reg
-      matches.each do |match|
-        keyword = match.scan(/\w+/i).first.downcase
-
-        if subs.has_key? keyword
-          sub = keyword
-        else
-          sub = ""
-        end
-
-        new_string.gsub!(match, sub)
-      end
-
-      return new_string
-    end
-
     def format_string_from_hash(hash)
       formatted = @format.clone 
       matches = @format.scan(/([\$][\{](\w+)[\}])/)