diff --git a/lib/bsd/capsicum.rb b/lib/bsd/capsicum.rb
index bc5af1f..43c5bb7 100644
--- a/lib/bsd/capsicum.rb
+++ b/lib/bsd/capsicum.rb
@@ -55,7 +55,7 @@ module BSD::Capsicum
   #  Might raise a subclass of SystemCallError
   # @param [#to_i] io
   #  An IO object
-  # @param [Array<String>] capabilities
+  # @param [Array<Symbol, Integer>] capabilities
   #  An allowed set of capabilities
   # @return [Boolean]
   #  Returns true when successful
diff --git a/lib/bsd/capsicum/ffi.rb b/lib/bsd/capsicum/ffi.rb
index 4c7ca0f..facbf4c 100644
--- a/lib/bsd/capsicum/ffi.rb
+++ b/lib/bsd/capsicum/ffi.rb
@@ -45,7 +45,7 @@ module BSD::Capsicum
     # @see BSD::Capsicum::Constants See Constants for a full list of capabilities
     # @param [Fiddle::Pointer] rightsp
     #  A pointer to initialize the `cap_rights_t` structure
-    # @param [Array<Integer>] capabilities
+    # @param [Array<Symbol, Integer>] capabilities
     #  An allowed set of capabilities
     # @return [Fiddle::Pointer]
     #  Returns a pointer to the structure `cap_rights_t`