documentation: add tutorial for first contribution

diff --git a/Documentation/technical/api-sigchain.txt b/Documentation/technical/api-sigchain.txt
index 535cdff164f1f1cdf829f18fa192783efb9f0086..9e1189ef01dff889447c1bf92802c9792f267b9b 100644 (file)
--- a/Documentation/technical/api-sigchain.txt
+++ b/Documentation/technical/api-sigchain.txt
@@ -32,7 +32,7 @@ and installation code should look something like:
   }
 ------------------------------------------
 
-Handlers are given the typdef of sigchain_fun. This is the same type
+Handlers are given the typedef of sigchain_fun. This is the same type
 that is given to signal() or sigaction(). It is perfectly reasonable to
 push SIG_DFL or SIG_IGN onto the stack.