Added include-grpc profile to relevant parts as per NIFI-4661
diff --git a/src/pages/markdown/quickstart.md b/src/pages/markdown/quickstart.md
index 069aa15..ff70ab5 100644
--- a/src/pages/markdown/quickstart.md
+++ b/src/pages/markdown/quickstart.md
@@ -114,8 +114,9 @@
 3. You need a recent git client for the 1.x NiFi line.
 4. Ensure your MAVEN_OPTS provides sufficient memory.  Some build steps are fairly memory intensive
     - These settings have worked well `MAVEN_OPTS="-Xms1024m -Xmx3076m -XX:MaxPermSize=256m"`
-5. Build the entire code base.  In the root dir of the source tree run `mvn -T C2.0 clean install`
+5. Build the entire code base.  In the root dir of the source tree run `mvn -T C2.0 clean install -Pinclude-grpc`
    You can tweak the maven build settings as you like but the previous command will execute with 2 threads per core.
+   You can omit the '-Pinclude-grpc' if you're not on a platform that it supports.
 
 Now you should have a fully functioning build off the latest codebase.
 
diff --git a/src/pages/markdown/release-guide.md b/src/pages/markdown/release-guide.md
index 0303ef3..48dea37 100644
--- a/src/pages/markdown/release-guide.md
+++ b/src/pages/markdown/release-guide.md
@@ -109,7 +109,8 @@
       `https://repository.apache.org/content/repositories/${STAGING_REPO_ID}/org/apache/nifi/nifi/${NIFI_VERSION}/nifi-${NIFI_VERSION}-source-release.zip.asc`
     - Need a quick reminder on how to [verify a signature][apache-signature-verify]?
   - Do all sources have necessary headers?
-    - Unzip the sources file into a directory and execute `mvn install -Pcontrib-check`
+    - Unzip the sources file into a directory and execute `mvn install -Pcontrib-check,include-grpc`
+    - You can avoid 'include-grpc' if you're building on a system that doesn't support it.
   - Are there no unexpected binary files in the release?
     - The only thing we'd expect would be potentially test resources files.
   - Does the app (if appropriate) execute and function as expected?
@@ -186,7 +187,7 @@
     ```
 1. Ensure the the full application builds and all tests work by executing a parallel (multi-threaded) build.
     ```
-    $ mvn -T 2.5C clean install
+    $ mvn -T 2.5C clean install -Pinclude-grpc
     ```
 1. Startup and test the application with from the root source folder.  After a few seconds, NiFi should be up and
 running at [http://localhost:8080/nifi](http://localhost:8080/nifi).
@@ -200,7 +201,7 @@
 1. Build the project with the `contrib-check` profile enabled to validate contribution expectations and find any
 problems that must be addressed before proceeding.  
     ```
-    $ mvn install -Pcontrib-check
+    $ mvn install -Pcontrib-check,include-grpc
     ```
 
 ### Step 3. Perform the release (RM)
@@ -208,7 +209,7 @@
 1. Now its time to have maven prepare the release with this command.
     ```
     $ mvn --batch-mode release:prepare \
-        -Psigned_release \
+        -Psigned_release,include-grpc \
         -DscmCommentPrefix="NIFI-${JIRA_TICKET}-RC${RC} " \
         -Dtag="nifi-${NIFI_VERSION}-RC${RC}" \
         -DreleaseVersion="${NIFI_VERSION}" \
@@ -221,7 +222,7 @@
 1. If the preparation without problems, it is time to perform the release and deploy artifacts to staging.
     ```
     $ mvn release:perform \
-        -Psigned_release \
+        -Psigned_release,include-grpc \
         -DscmCommentPrefix="${JIRA_TICKET}-RC${RC} " \
         -Darguments="-DskipTests"
     ```
@@ -295,8 +296,8 @@
 then it is as if the release never happened.  Before doing that though try to figure out what went wrong so the Release
 Guide can be updated or corrected if necessary.
 
-So, as has been described here you can test the release process until you get it right.  The `mvn versions:set` and
-`mvn versions:commit` commands can come in handy to help do this so you can set versions to something clearly release
+So, as has been described here you can test the release process until you get it right.  The `mvn versions:set -Pinclude-grpc` and
+`mvn versions:commit -Pinclude-grpc` commands can come in handy to help do this so you can set versions to something clearly release
 test related.
 
 ### Step 5. Release Vote (RM and community)
@@ -388,7 +389,7 @@
 
     # Verify the build works including release audit tool (RAT) checks
     cd nifi-${NIFI_VERSION}
-    mvn clean install -Pcontrib-check
+    mvn clean install -Pcontrib-check,include-grpc
 
     # Verify the contents contain a good README, NOTICE, and LICENSE.