diff --git a/README.md b/README.md
index 030eb9a..d6b93ca 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,6 @@ save(term="pngcairo size 660,350 fontscale 0.8", output="examples/ex3.png")
 The main gallery of examples is maintained in a separate repository:
 https://lazarusa.github.io/gnuplot-examples/
 
-Since **Gnuplot.jl** is just an interface, it can reproduce all the plots generated by gnuplot.  Further examples are available here:
+Since **Gnuplot.jl** is just a transparent interface (not a wrapper) it exposes all capabilities of the underlying gnuplot process, hence pure-gnuplot examples also applies to **Gnuplot.jl**.  Further examples are available here:
 - http://gnuplot.sourceforge.net/demo_5.2/
 - http://www.gnuplotting.org/
diff --git a/docs/src/index.md b/docs/src/index.md
index e803d67..eb73a48 100644
--- a/docs/src/index.md
+++ b/docs/src/index.md
@@ -57,8 +57,8 @@ Last but not least, have a look at the **Gnuplot.jl** [Examples](@ref) page.
 
 ## Notation
 In this documentation:
-- **Gnuplot.jl** refers to the Julia package;
-- gnuplot refers to the [gnuplot](http://gnuplot.info/) application.
+- "**Gnuplot.jl**" refers to the Julia package;
+- "gnuplot" refers to the [gnuplot](http://gnuplot.info/) application.
 
 
 ## Table of Contents
diff --git a/src/Gnuplot.jl b/src/Gnuplot.jl
index c9fdba9..2aa7f67 100644
--- a/src/Gnuplot.jl
+++ b/src/Gnuplot.jl
@@ -108,7 +108,8 @@ function parseKeywords(; kwargs...)
                 cblabel=AbstractString,
                 xlog=Bool,
                 ylog=Bool,
-                zlog=Bool)
+                zlog=Bool,
+                cblog=Bool)
 
     kw = canonicalize(template; kwargs...)
     out = Vector{String}()
@@ -125,6 +126,7 @@ function parseKeywords(; kwargs...)
     ismissing(kw.xlog   ) || (push!(out, (kw.xlog  ?  ""  :  "un") * "set logscale x"))
     ismissing(kw.ylog   ) || (push!(out, (kw.ylog  ?  ""  :  "un") * "set logscale y"))
     ismissing(kw.zlog   ) || (push!(out, (kw.zlog  ?  ""  :  "un") * "set logscale z"))
+    ismissing(kw.cblog  ) || (push!(out, (kw.cblog ?  ""  :  "un") * "set logscale cb"))
     return out
 end
 
@@ -1154,6 +1156,7 @@ The `@gp` macro, and its companion `@gsp` for 3D plots, allows to send data and
   - `xlog=true`   => `set logscale x`;
   - `ylog=true`   => `set logscale y`;
   - `zlog=true`   => `set logscale z`.
+  - `cblog=true`  => `set logscale cb`.
 All Keyword names can be abbreviated as long as the resulting name is unambiguous.  E.g. you can use `xr=[1,10]` in place of `xrange=[1,10]`.
 """
 macro gp(args...)