diff --git a/.document b/.document
new file mode 100644
index 0000000..74f565b
--- /dev/null
+++ b/.document
@@ -0,0 +1,5 @@
+BSDL
+COPYING
+LEGAL
+lib/base64.rb
+README.md
diff --git a/lib/base64.rb b/lib/base64.rb
index 8c0145d..c9cc471 100644
--- a/lib/base64.rb
+++ b/lib/base64.rb
@@ -183,6 +183,7 @@
 #
 module Base64
 
+  # The version of this module.
   VERSION = "0.3.0"
 
   module_function
@@ -224,7 +225,7 @@ def encode64(bin)
   end
 
   # :call-seq:
-  #   Base64.decode(encoded_string) -> decoded_string
+  #   Base64.decode64(encoded_string) -> decoded_string
   #
   # Returns a string containing the decoding of an RFC-2045-compliant
   # \Base64-encoded string +encoded_string+:
diff --git a/sig/base64.rbs b/sig/base64.rbs
index ee6783f..e72bee8 100644
--- a/sig/base64.rbs
+++ b/sig/base64.rbs
@@ -183,7 +183,7 @@
 module Base64
   # <!--
   #   rdoc-file=lib/base64.rb
-  #   - Base64.decode(encoded_string) -> decoded_string
+  #   - Base64.decode64(encoded_string) -> decoded_string
   # -->
   # Returns a string containing the decoding of an RFC-2045-compliant
   # Base64-encoded string `encoded_string`: