Merge pull request #370 from karig/patch-1

Update ch08-03-hash-maps.md

src/ch08-03-hash-maps.md

@@ -64,7 +64,7 @@ use std::collections::HashMap;
 let mut scores = HashMap::new();
 
 scores.insert(String::from("Blau"), 10);
-scores.insert(String::from("Geld"), 50);
+scores.insert(String::from("Gelb"), 50);
 
 let team_name = String::from("Blau");
 let score = scores.get(&team_name).copied().unwrap_or(0);