diff --git a/ex-6/main.c b/ex-6/main.c
index 6005f52..6c6cd8e 100644
--- a/ex-6/main.c
+++ b/ex-6/main.c
@@ -34,8 +34,8 @@ struct param {
  * wave.
  *
  * The intensity is given as a function of θ,
- * the diffraction angle, all the other physical
- * parameter are controlled by the structure `param`.
+ * the diffraction angle. All the other physical
+ * parameters are controlled by the structure `param`.
  *
  * See Fraunhöfer diffraction on "Hect - Optics" for 
  * a derivation of the formula.
@@ -80,7 +80,7 @@ gsl_histogram* gaussian_for(gsl_histogram *hist, double sigma) {
   gsl_histogram_set_ranges_uniform(res, 0, dx * n);
 
   /* The histogram will be such that
-   * the zero falls in the central bin.
+   * the maximum falls in the central bin.
    */
   long int offset = res->n/2;