Bugfix README

README.md

 # NAME
 
-mkgrid - Convert scattered data to regular gridded data in 2D, 3D, and 4D.
+mkgrid - Convert irregularly scattered data to regular grid data in 2D, 3D, and 4D.
 
 
 # SYNOPSIS
@@ -10,7 +10,7 @@ mkgrid - Convert scattered data to regular gridded data in 2D, 3D, and 4D.
 
 # DESCRIPTION
 
-This script converts scattered data of dimensions in 2D, 3D, and 4D to regular gridded data.
+This script converts irregularly scattered data in 2D, 3D, and 4D to regular grid data.
 
 The following interpolation methods are available:
 
@@ -62,7 +62,7 @@ If output file `OUTFILE` is undefined, the output is directed to `STDOUT`.
 
 ## 2D data
 
-Assume the following input fille `testdata2.csv` containing scattered data points in 2D: 
+Assume the following input file `testdata2.csv` containing scattered data points in 2D: 
 
 ```text
            x            y
@@ -105,7 +105,7 @@ The output will look like the following:
        0.150       83.224
 ```
 
-An example plot for the above result would like this:
+An example plot for the above result would look like this:
 
 ![Example 2D data](test/testdata2.png)
 
@@ -147,13 +147,39 @@ Assume the following input file `testdata3.csv` containing scattered data points
        0.000        0.134       16.302
 ```
 
-The following command will parse the above input file and creates regular gridded data points along data columns 1 and 2 within the interval `[0:0.13]` in both dimensions.  The corresponding data in column 3 will be interpolated using `26` steps, i.e. `(13+1)×(13+1)=196` records will be created in total.
+The following command will parse the above input file and creates regular gridded data points along data columns 1 and 2 within the interval `[0.0,0.13]` in both dimensions.  The corresponding data in column 3 will be interpolated using `13` steps, i.e. `(13+1)×(13+1)=196` records will be created in total.
 
 ```bash
 $ mkgrid --infile testdata3.csv --range 0:0.13,0:0.13 --steps 13
 ```
 
-An example plot for the above would like this:
+The output will look like the following:
+
+```text
+           x            y            z
+       0.000        0.000        0.000
+       0.010        0.000        2.480
+       0.020        0.000        5.202
+       0.030        0.000       10.099
+       0.040        0.000       14.997
+       0.050        0.000       19.352
+       0.060        0.000       23.572
+       0.070        0.000       27.792
+       0.080        0.000       32.012
+       0.090        0.000       36.232
+       0.100        0.000       41.990
+       0.110        0.000       48.279
+       0.120        0.000       55.883
+       0.130        0.000       63.487
+       0.000        0.010        2.421
+       0.010        0.010        5.438
+       0.020        0.010       10.451
+       0.030        0.010       14.423
+       0.040        0.010       17.364
+       0.050        0.010       20.807
+[...]
+```
+An example plot for the above would look like this:
 
 ![Example 3D data](test/testdata3.png)
 
@@ -179,7 +205,7 @@ The following command will parse the above input file and creates regular gridde
 $ mkgrid -i testdata4.csv -s 10
 ```
 
-An example plot for the above would like this:
+An example plot for the above would look like this:
 
 ![Example 4D data](test/testdata4.png)