diff --git a/core/math/math-docs.factor b/core/math/math-docs.factor
index 6357c8bd98..50a31434f4 100644
--- a/core/math/math-docs.factor
+++ b/core/math/math-docs.factor
@@ -385,14 +385,14 @@ HELP: prev-float
 HELP: real-part
 { $values { "z" number } { "x" real } }
 { $description "Outputs the real part of a complex number. This acts as the identity on real numbers." }
-{ $examples { $example "USING: math prettyprint ; C{ 1 2 } real-part ." "1" } } ;
+{ $examples { $example "USING: math prettyprint ;" "C{ 1 2 } real-part ." "1" } } ;
 
 HELP: imaginary-part
 { $values { "z" number } { "y" real } }
 { $description "Outputs the imaginary part of a complex number. This outputs zero for real numbers." }
 { $examples
-    { $example "USING: math prettyprint ; C{ 1 2 } imaginary-part ." "2" }
-    { $example "USING: math prettyprint ; 3 imaginary-part ." "0" }
+    { $example "USING: math prettyprint ;" "C{ 1 2 } imaginary-part ." "2" }
+    { $example "USING: math prettyprint ;" "3 imaginary-part ." "0" }
 } ;
 
 HELP: real