message: Fix typo in badges section of example manifest
diff: @@ -139,7 +139,7 @@ license = "..."
  # (similar to the readme key).
  license-file = "..."
  -# Optional specificaion of badges to be displayed on crates.io. The badges
  +# Optional specification of badges to be displayed on crates.io. The badges
  # currently available are Travis CI and Appveyor latest build status, specified
  # using the following parameters:
  [badges]
  