Update README.

README.md

@@ -5,28 +5,29 @@ More information on that environment can be found at <https://github.com/Unidata
 
 ## Inputs
 
-### java-vendor:
+### java-vendor
 
-**Required** Vendor of java to use when running the tests (temurin or zulu)
+* **Required**: Vendor of java to use when running the tests (temurin or zulu)
 
-### java-version:
+### java-version
 
-**Required** Version of java to use when running the tests (8, 11, or 14)
+* **Required**: Version of java to use when running the tests (8, 11, or 14)
 
-### build-tool:
+### build-tool
 
-**Required** Name of build tool used to run the tests (gradlew or mvn)
+* **Required**: Name of build tool used to run the tests (gradlew or mvn)
 
-### test-command:
+### test-command
 
-**Required** Command used in conjunction with the build tool to run the tests.
+* **Required**: Command used in conjunction with the build tool to run the tests.
 
 ## Example usage
 
-uses: Unidata/thredds-test-action@master
+~~~yml
+uses: Unidata/thredds-test-action@v1
 with:
   java-vendor: 'temurin'
   java-version: '11'
   build-tool: 'gradlew'
   test-command: 'clean testAll'
-
+~~~