diff --git a/docs/printabletypes.md b/docs/printabletypes.md
index dca4c8cd..5a63b5dc 100644
--- a/docs/printabletypes.md
+++ b/docs/printabletypes.md
@@ -1,16 +1,16 @@
 # Making Types Printable
 
-Catch is capable of using user defined print functions and overloads.
+Catch can print many standard types out of the box, but it is also capable of using user defined print functions and overloads.
 
-## Using ostreams
+## Using ostream and operator<<
 
-By default, catch will attempt to display types using an ostream overload is available.
+By default, catch will attempt to display a variable of type `T` using an ostream overload if available.
 
 ```c++
-std::ostream& operator<<(std::ostream&, MySpecialType const&);
+std::ostream& operator<<(std::ostream&, T const&);
 ```
 
-## using toString
+## Overloading Catch::toString
 If you don't want your type to work with ostreams, or Catch is unable to find the 
 overload you provide, you may alternatively overload `Catch::toString`.  The overload 
 must appear **above** the include of `catch.hpp`.  For example, if I want to provide
@@ -23,7 +23,7 @@ would look like this:
 #include <utility>
 
 namespace Catch {
-std::string toString(std::pair<int, char> const p) {
+std::string toString(std::pair<int, char> const& p) {
     std::ostringstream oss;
     oss << '{' << p.first << ", " << p.second << '}';
     return oss.str();
@@ -37,4 +37,4 @@ due to possible typos when typing `Catch` or `toString`
 
 ## Default output
 
-If neither of the two conditions has been met, catch will output `{?}` by default.
+If neither of the two conditions has been met, and catch does not provide a string conversion for the type, catch will output `{?}` by default.