Fix: type - summarize

scope & closures/ch1.md

@@ -77,7 +77,7 @@ A reasonable assumption would be that *Compiler* will produce code that could be
 
 If *Engine* eventually finds a variable, it assigns the value `2` to it. If not, *Engine* will raise its hand and yell out an error!
 
-To summaraize: two distinct actions are taken for a variable assignment: First, *Compiler* declares a variable (if not previously declared in the current scope), and second, when executing, *Engine* looks up the variable in *Scope* and assigns to it, if found.
+To summarize: two distinct actions are taken for a variable assignment: First, *Compiler* declares a variable (if not previously declared in the current scope), and second, when executing, *Engine* looks up the variable in *Scope* and assigns to it, if found.
 
 ### Compiler Speak