diff --git a/README.md b/README.md
index 9b2cf9cd19b9f1c3a37b07853b042261bf34be07..6fe159140020188b2a7f1e7cee57adf601d5eaa8 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ In order to be executable by a computer, the program has to be translated into m
 
 You can use the command 
 
-`g++ <source_code_file> -o <name_of_output_program> -std=c++11 -Wall -Werr`
+`g++ <source_code_file> -o <name_of_output_program> -std=c++11 -Wall -Werror`
 
 This tells the compiler (g++) where to find the source code and how to name the resulting program.
 In case you omit the name of the output program the result will most likely be an executable file called "a.out".