diff --git a/README.md b/README.md
index 7245e60..a8d2878 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # FinancialMaths
 
-TODO: Write a gem description
+more functions will be added soon
 
 ## Installation
 
diff --git a/financial_maths.gemspec b/financial_maths.gemspec
index 1ccc4cd..4eb9928 100644
--- a/financial_maths.gemspec
+++ b/financial_maths.gemspec
@@ -10,13 +10,16 @@ Gem::Specification.new do |spec|
   spec.email         = ["rderoldan1@gmail.com"]
   spec.description   = %q{gem to use financial methods inside ruby}
   spec.summary       = %q{calculate loan payments and other things}
-  spec.homepage      = ""
+  spec.homepage      = "https://github.com/rderoldan1/financial_maths"
   spec.license       = "MIT"
+  
+  spec.post_install_message = "thanks to install financial_maths gem, I hope improve this gem soon!"
 
   spec.files         = `git ls-files`.split($/)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
+  spec.extra_rdoc_files = ["README.md"]
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"