diff --git a/Common-build-problems.md b/Common-build-problems.md
index b473543..69777c8 100644
--- a/Common-build-problems.md
+++ b/Common-build-problems.md
@@ -42,13 +42,13 @@ Below are some alternative packages that are not in the recommended set and shou
         * If you need OpenSSL 1.0:
     
             ```sh
-            sudo yum install compat-openssl10-devel -allowerasing
+            sudo yum install compat-openssl10-devel --allowerasing
             ```
 
         * If you need OpenSSL 1.1:
 
             ```sh
-            sudo yum install openssl11-devel -allowerasing
+            sudo yum install openssl11-devel --allowerasing
             ```