Tiny blocks documentation updates

Author: jaakkor2

src/Blocks/sources.jl

@@ -157,7 +157,7 @@ end
     Cosine(; name, frequency, amplitude = 1, phase = 0, offset = 0, start_time = 0,
     smooth = false)
 
-Cosine signal.
+Generate cosine signal.
 
 # Parameters:
 - `frequency`: [Hz] Frequency of sine wave
@@ -171,7 +171,6 @@ Cosine signal.
 # Connectors:
 - `output`
 """
-
 @component function Cosine(; name,
         frequency,
         amplitude = 1,

src/Blocks/utils.jl

@@ -47,7 +47,7 @@ end
 Connector with one output signal of type Real.
 
 # Parameters:
-- `nout=1`: Number of inputs
+- `nout=1`: Number of outputs
 - `u_start=0`: Initial value for `u`
 
 # States:
@@ -61,8 +61,8 @@ Single input single output (SISO) continuous system block.
 
 # Parameters:
 
-  - `u`: Initial value for the input
-  - `y`: Initial value for the output
+  - `u_start`: Initial value for the input
+  - `y_start`: Initial value for the output
 """
 @mtkmodel SISO begin
     @parameters begin