1 files changed, 16 insertions, 0 deletions
diff --git a/Rakefile b/Rakefile
index 56a2138766..eb39315645 100644
--- a/Rakefile
+++ b/Rakefile
@@ -108,3 +108,19 @@ begin
 rescue LoadError
   puts "yard is not available. bundle install first to make sure all dependencies are installed."
 end
+
+if `command -v cspell`.empty?
+  puts "cspell is not available. Run `npm install -g cspell` to make it available."
+else
+  namespace :spellcheck do
+    task :run do
+      sh 'cspell **/* *.md'
+    end
+
+    task :unknown_words do
+      sh 'cspell **/* *.md --wordsOnly --no-summary | sort | uniq'
+    end
+  end
+
+  task spellcheck: 'spellcheck:run'
+end