fix readme

Readme.md

@@ -15,7 +15,7 @@ NOTE: I'm not actually sure if this is necessary, but the channel scan I did wit
 First, check the patches (included in the bash script as here-files) are appropriate for your use case.
 
 Then run:
-```
+```bash
 ./epg-grab-mjh.sh
 ```
 
@@ -31,15 +31,24 @@ To generate the patches, just download the epg.xml from Matt Huisman's site, and
 
 1. Copy the original xml to epg-modified.xml
 
-2. Make sure the channel names in epg-modified.xml match the output from mythtv db: ``sudo mysql -u root -p mythconverg -e "SELECT channum,chanid,icon,name,xmltvid,sourceid FROM channel WHERE visible ORDER BY channum+0;"
+2. Make sure the channel names in epg-modified.xml match the output from mythtv db:
+```bash
+sudo mysql -u root -p mythconverg -e "SELECT channum,chanid,icon,name,xmltvid,sourceid FROM channel WHERE visible ORDER BY channum+0;"
+```
 
-3. Generate the diff between the original and modified xml, and save as rename.patch: ``diff -u epg.xml epg-modified.xml > rename.patch``
+3. Generate the diff between the original and modified xml, and save as rename.patch:
+```bash
+diff -u epg.xml epg-modified.xml > rename.patch
+```
 
 4. Apply the rename.patch to the original xml
 
 5. Remove any channels in epg-modified.xml that mythtv hasn't found, so long as you are sure you can't get from your location
 
-6. Generate the diff between the the (patched) original xml and the modified xml, and save as remove.patch: ``diff -u epg.xml epg-modified.xml > remove.patch``
+6. Generate the diff between the the (patched) original xml and the modified xml, and save as remove.patch:
+```bash
+diff -u epg.xml epg-modified.xml > remove.patch
+```
 
 7. Replace the here-files in the bash script with your patch files