diff --git a/spec/v0.2.md b/spec/v0.2.md
index 3ed64a4..34adec4 100644
--- a/spec/v0.2.md
+++ b/spec/v0.2.md
@@ -124,12 +124,14 @@ array<string> names = ["Alice","Bob"]
 
 #### Multidimensional arrays:
 
+```
 array<number> matrix = [[1,2],[3,4]]
+```
 
  - Arrays or dictionaries can hold different types, even if scalars are strictly typed (including objects later).
 
 ```fun
-array mixed = [1, "two", true, [3,4]]
+array mixed = [1, "two", true, [3,4], matrix]
 ```
 
 ## 4. Variables and Scope
@@ -164,26 +166,26 @@ x = "Now I'm a string"
 
 ```fun
 if(x != y)
-  print x
+  print(x)
 else if(a == b || h != i)
-  print a + b
+  print(a + b)
 else
   if(k < 1 && l > 1)
-    print "Buh!"
+    print("Buh!")
 ```
 
 ### For Loops
 
 ```fun
 for i in range(1, 10)
-  print i
+  print(i)
 ```
 
 ### While Loops
 
 ```fun
 while x < 10
-  print x
+  print(x)
   x = x + 1
 ```
 
@@ -195,7 +197,9 @@ Provided by the runtime (cannot be redefined). Examples:
 print, range, system, exec.
 
 ```fun
-print "Hello, Fun!"
+print(a)
+number lemmy = range(a, b)
+string result = exec("date")
 ```
 
 ### User-Defined Functions
@@ -253,12 +257,12 @@ Full path:
 
 ```fun
 #include math as m
-print m.sqrt(16)
+print(m.sqrt(16))
 ```
 
 ```fun
 #include /home/user/project/universe.fun as u
-print u.size()
+print(u.size())
 ```
 
 ## 9. Objects
@@ -374,14 +378,14 @@ Terminates process.
 ### Hello World
 
 ```fun
-print "Hello, World!"
+print("Hello, World!")
 ```
 
 ### Loop with Range
 
 ```fun
 for i in range(1, 5)
-  print i
+  print(i)
 ```
 
 ### User Function
@@ -390,14 +394,14 @@ for i in range(1, 5)
 fun greet(name)
   return "Hello " + name
 
-print greet("Fun")
+print(greet("Fun"))
 ```
 
 ### System Call
 
 ```fun
 string now = exec("date")
-print "Current time: " + now
+print("Current time: " + now)
 ```
 
 ## 15. License