change placeholders in DeployInst template

Author: ConnorWelch-OSU

source/user/tutorial/add_deploy.rst

@@ -42,24 +42,21 @@ We will now use this to add the institution for ``DeployInst``.
       <config>
         <DeployInst>
           <prototypes>
-            <val>prototype_name1</val>
-            <val>prototype_name2</val>
-            <val>prototype_name3</val>
-            <val>prototype_name4</val>
+            <val>[string]</val>
+            <val>[string]</val>
+            ...
           </prototypes>
 
           <build_times>
-            <val>time1</val>
-            <val>time2</val>
-            <val>time3</val>
-            <val>time4</val>
+            <val>[int]</val>
+            <val>[int]</val>
+            ...
           </build_times>
 
           <n_build>
-            <val>n_build1</val>
-            <val>n_build2</val>
-            <val>n_build3</val>
-            <val>n_build4</val>
+            <val>[int]</val>
+            <val>[int]</val>
+            ...
           </n_build>
         </DeployInst>
       </config>