diff --git a/.gitignore b/.gitignore
index 93fb6b23069..34897781121 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@
 /release.properties
 /target
 .github/keys/
+.profiler/
 
 # These are needed if running in IDE without properties set
 /ibderby
diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index a53b14c2c9d..91e0a51105e 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -17,6 +17,7 @@
 
 -->
 <extensions>
+    <!-- Usage as -Dprofile -->
     <extension>
       <groupId>fr.jcgay.maven</groupId>
       <artifactId>maven-profiler</artifactId>