diff --git a/testing/btest/opt/opt-func.zeek b/testing/btest/opt/opt-func.zeek
index 6594cffe34..e93f72c8ed 100644
--- a/testing/btest/opt/opt-func.zeek
+++ b/testing/btest/opt/opt-func.zeek
@@ -1,7 +1,7 @@
 # @TEST-EXEC: zeek -b -O ZAM --optimize-func='my_test' %INPUT >output
 # @TEST-EXEC: btest-diff output
 
-# Tests that we can selectively a given function.
+# Tests that we can selectively pick a given function.
 
 function my_test()
 	{
diff --git a/testing/btest/opt/opt-func2.zeek b/testing/btest/opt/opt-func2.zeek
index c503479905..773d438789 100644
--- a/testing/btest/opt/opt-func2.zeek
+++ b/testing/btest/opt/opt-func2.zeek
@@ -1,7 +1,7 @@
 # @TEST-EXEC: zeek -b -O ZAM --optimize-func='another_test' %INPUT >output
 # @TEST-EXEC: btest-diff output
 
-# Tests that we can selectively a bunch of functions (event handlers),
+# Tests that we can selectively pick a bunch of functions (event handlers),
 # but not every function.
 
 function my_test()
diff --git a/testing/btest/opt/opt-func3.zeek b/testing/btest/opt/opt-func3.zeek
index 15f49987b1..13202b4641 100644
--- a/testing/btest/opt/opt-func3.zeek
+++ b/testing/btest/opt/opt-func3.zeek
@@ -1,7 +1,7 @@
 # @TEST-EXEC: zeek -b -O ZAM --optimize-func='my_test' --optimize-func='another_test' %INPUT >output
 # @TEST-EXEC: btest-diff output
 
-# Tests that we can selectively a bunch of functions (event handlers),
+# Tests that we can selectively pick a bunch of functions (event handlers),
 # and also call out an additional function.
 
 function my_test()