diff --git a/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/det_an.txt b/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/det_an.txt
index 08912adc7525..55c20bbb39d0 100644
--- a/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/det_an.txt
+++ b/languagetool-language-modules/en/src/main/resources/org/languagetool/rules/en/det_an.txt
@@ -4069,3 +4069,5 @@ hourplate
 hourplates
 Xcode
 http
+hprof
+sbt
diff --git a/languagetool-language-modules/en/src/test/java/org/languagetool/rules/en/AvsAnRuleTest.java b/languagetool-language-modules/en/src/test/java/org/languagetool/rules/en/AvsAnRuleTest.java
index 411e1349bebc..83b2450aa102 100644
--- a/languagetool-language-modules/en/src/test/java/org/languagetool/rules/en/AvsAnRuleTest.java
+++ b/languagetool-language-modules/en/src/test/java/org/languagetool/rules/en/AvsAnRuleTest.java
@@ -44,6 +44,8 @@ public void setUp() throws IOException {
   public void testRule() throws IOException {
 
     // correct sentences:
+    assertCorrect("analyze an hprof file");
+    assertCorrect("This is an sbt project.");
     assertCorrect("Import an Xcode project.");
     assertCorrect("This is a oncer.");
     assertCorrect("She was a Oaxacan chef.");