Typos

Author: james-ball-qualcomm

arch/certificate_model/MC200-32.yaml

@@ -22,7 +22,7 @@ revision_history:
     changes:
       - First created
 
-description: |
+introduction: |
   MC200 is an intermedicate RISC-V microcontroller that adds the following mandatory extensions to the MC100-series:
 
   * U extension (User-mode privilege level)

arch/certificate_model/MC300-32.yaml

@@ -22,7 +22,7 @@ revision_history:
     changes:
       - First created
 
-description: |
+introduction: |
   MC300 is an advanced RISC-V microcontroller that adds the following mandatory extensions to the MC200-series:
 
   * S extension (Supervisor-mode privilege level)

arch/certificate_model/MockCertificateModel.yaml

@@ -25,8 +25,8 @@ revision_history:
     changes:
       - Also created to test CRDs
 
-description: |
-  Mock CRD description:
+introduction: |
+  Mock CRD introduction:
 
   * Hello
   * Bob!