diff --git a/README.md b/README.md
index a61b7f8..8783a7a 100644
--- a/README.md
+++ b/README.md
@@ -61,15 +61,30 @@ Why use make instead of the built-in go commands? Because the point of make is t
 
 ## Usage together with standard Linux utilities
 
-```
+```bash
 f
-ed -u "s|#.*||" | sed -u 's|M|000000|g' | f
+sed -u "s|#.*||" | sed -u 's|M|000000|g' | f
+
 cat more/piano-tuners.f | f
 cat more/piano-tuners-commented.f | sed -u "s|#.*||" | sed -u 's|M|000000|g' | f
+
 tee -a input.log | go run f.go | tee -a output.log
 tee -a io.log | go run f.go | tee -a io.log
+
+function f(){
+  sed -u "s|#.*||" | 
+  sed -u "s|//.*||" | 
+  sed -u 's|K|000|g' | 
+  sed -u 's|M|000000|g' | 
+  sed -u 's|B|000000000|g' | 
+  /usr/bin/f
+}
 ```
 
+## Tips & tricks
+
+Conceptually clearer to have all the multiplications first and then all the divisions
+
 ## Roadmap 
 
 - [x] Write README
@@ -81,3 +96,5 @@ tee -a io.log | go run f.go | tee -a io.log
 - [x] Add show more info version
 - [ ] Program into a small device, like a calculator?
 - [ ] Think of some way of calling bc
+- [ ] Think how to integrate with squiggle.c to draw samples
+- [ ] Think about how to draw a histogram from samples
diff --git a/f.go b/f.go
index 333b984..b4ce2a3 100644
--- a/f.go
+++ b/f.go
@@ -82,7 +82,9 @@ EventForLoop:
 				fmt.Printf("=> %.1f %.1f\n", old_low, old_high)
 				logmean_old, logstd_old := boundsToLogParams(old_low, old_high)
 				fmt.Printf("=> Lognormal, with logmean: %.1f, logstd: %.1f\n", logmean_old, logstd_old)
+				continue EventForLoop
 			}
+			fmt.Println(error_msg_cont)
 			continue EventForLoop
 		case 2:
 			new_low, err1 = strconv.ParseFloat(tokens[0], 64)