diff --git a/docs/src/man/creating_systems.md b/docs/src/man/creating_systems.md
index 8eaf5ea59..e221e94c0 100644
--- a/docs/src/man/creating_systems.md
+++ b/docs/src/man/creating_systems.md
@@ -21,14 +21,14 @@ tf(num, den, Ts) # Discrete-time system
 where `num` and `den` are the polynomial coefficients of the numerator and denominator of the polynomial and `Ts`, if provided, is the sample time for a discrete-time system.
 #### Example:
 ```jldoctest
-tf([1.0],[1,2,1])
+tf([1.0],[1,2,3])
 
 # output
 
 TransferFunction{Continuous, ControlSystemsBase.SisoRational{Float64}}
         1.0
 -------------------
-1.0s^2 + 2.0s + 1.0
+1.0s^2 + 2.0s + 3.0
 
 Continuous-time transfer function model
 ```
@@ -559,4 +559,4 @@ P′d, _ = DescriptorSystems.grsol(dss(C), dss(inv(Si)-I(1)))
 P′s, _ = dss2ss(P′d)
 P′ = ss(P′s.A, P′s.B, P′s.C, P′s.D)
 bodeplot([P, P′])
-```
\ No newline at end of file
+```