diff --git a/exec.c b/exec.c
index b1d6602911c0330c3d35e6636384a87439fd8ba0..7f9f73025062d0b0bed204c538cac9a00fecc2c8 100644
--- a/exec.c
+++ b/exec.c
@@ -511,7 +511,7 @@ static void code_gen_alloc(unsigned long tb_size)
         if (code_gen_buffer_size > (512 * 1024 * 1024))
             code_gen_buffer_size = (512 * 1024 * 1024);
 #elif defined(__arm__)
-        /* Keep the buffer no bigger than 16GB to branch between blocks */
+        /* Keep the buffer no bigger than 16MB to branch between blocks */
         if (code_gen_buffer_size > 16 * 1024 * 1024)
             code_gen_buffer_size = 16 * 1024 * 1024;
 #elif defined(__s390x__)
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 1d327984e02cf7d55a817110bf81f8fc1fb1fb7c..5b233f564c8becfd8907d60ecba4f201655e54d6 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -843,7 +843,7 @@ static inline void tcg_out_st8(TCGContext *s, int cond,
 }
 
 /* The _goto case is normally between TBs within the same code buffer,
- * and with the code buffer limited to 16GB we shouldn't need the long
+ * and with the code buffer limited to 16MB we shouldn't need the long
  * case.
  *
  * .... except to the prologue that is in its own buffer.