diff --git a/gemma/compress_weights.cc b/gemma/compress_weights.cc
index aaaa6ab..2504274 100644
--- a/gemma/compress_weights.cc
+++ b/gemma/compress_weights.cc
@@ -266,7 +266,7 @@ struct Args : public ArgsBase<Args> {
     visitor(num_threads, "num_threads",
             kDefaultNumThreads,  // see ChooseNumThreads
             "Number of threads to use.\n    Default = Estimate of the "
-            "number of suupported concurrent threads.",
+            "number of supported concurrent threads.",
             2);
   }
 
diff --git a/util/app.h b/util/app.h
index e4fd15d..4fd357c 100644
--- a/util/app.h
+++ b/util/app.h
@@ -153,7 +153,7 @@ class AppArgs : public ArgsBase<AppArgs> {
     visitor(num_threads, "num_threads",
             kDefaultNumThreads,  // see ChooseNumThreads
             "Number of threads to use.\n    Default = Estimate of the "
-            "number of suupported concurrent threads.",
+            "number of supported concurrent threads.",
             2);
     visitor(
         eot_line, "eot_line", std::string(""),