diff --git a/README.md b/README.md
index 8180edffd859a1f27be4bc3b97faf5d75ae4f9c9..143fe31a0c214eb5b4d26e513cd601e3e7f07f2d 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,12 @@ some of the lower level details "by hand", applying simple versions of
 the median filter, in which each pixel is replaced by the median of
 nearby values.
 
+Usage of the application: `medianfilter use_case`\
+ `medianfilter tests/tiny/lena_color1.bmp`\
+ `medianfilter tests/small/lena_color2.bmp`\
+ `medianfilter tests/primes/lena_color3.bmp`\
+ `medianfilter tests/large/lena_color4.bmp`
+
 ## STEP 0: Create git repository (10%)
 
 Your code should be forked from this repository and hosted on code.it4i.cz as a private project with access for all teachers.
@@ -47,8 +53,7 @@ Create script that automatically check correctness of your application for at le
 1. Implement time measurement for all parallel regions using omp_get_wtime(). 
 2. Create script for run strong scalability measurement (PBS script).
 3. Evaluate strong scalability of measured regions up to 128 threads and different thread affinity (compact, scatter, balanced, none).
-4. Evaluate behaviour for domain specific parameters of your applications (project dependent, maybe none). (Blocking implementation for this project)
-5. Prepare charts for all measurements.
+4. Prepare charts for all measurements.
 
 ## STEP 6:  Presentation of your project (10%)
 
diff --git a/src/main.cpp b/src/main.cpp
index 48e605faa108d13db4258385846c26c2e2ca2e7b..0809a3befdac85b071d97266e3719681c6b9e091 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -18,7 +18,7 @@ int main(int argc, char** args) {
 
     //Check args
     if (argc < 2) {
-        printf("USAGE: medianfilter lena_gray.bmp\n");
+        printf("USAGE: medianfilter lena.bmp\n");
         return 0;
     }