continued with tutorial

README.md

@@ -45,7 +45,7 @@ application which is part of [Pyrocko](http://emolch.github.io/pyrocko/).
 snuffler --stations=stations.txt --events=confirmed-events.txt data/
 ```
 
-Hints, when preparing your own dataset:
+#### Hints, when preparing your own dataset:
 
 * NET.STA.LOC codes in waveform files must match exactly what is given in the
   stations file.
@@ -54,10 +54,10 @@ Hints, when preparing your own dataset:
   rule of thumb, use files smaller than 1MB each. To cut a dataset into a new
   chunksize, use the Jackseis program which is part of
   [Pyrocko](http://emolch.github.io/pyrocko/):
-  ```bash
+```bash
   # cut whole dataset to hour files:
   jackseis INPUT_DIR --tinc=3600 --output-dir=OUTPUT_DIR
-  ```
+```
 
 #### Lassie configuration