diff --git a/mdbx.h b/mdbx.h
index 07fa432e..d98ae7e6 100644
--- a/mdbx.h
+++ b/mdbx.h
@@ -406,7 +406,7 @@ typedef enum MDBX_cursor_op {
  *  - ABI version mismatch (rare case); */
 #define MDBX_EBADSIGN (-30420)
 
-/* Database should be recovered, but this could be done automatically
+/* Database should be recovered, but this could NOT be done automatically
  * right now (e.g. in readonly mode and so forth). */
 #define MDBX_WANNA_RECOVERY (-30419)
 
diff --git a/src/mdbx.c b/src/mdbx.c
index 02a2ea76..e879a544 100644
--- a/src/mdbx.c
+++ b/src/mdbx.c
@@ -633,7 +633,7 @@ static const char *__mdbx_strerr(int errnum) {
     return "MDBX_EBADSIGN: Wrong signature of a runtime object(s)";
   case MDBX_WANNA_RECOVERY:
     return "MDBX_WANNA_RECOVERY: Database should be recovered, but this could "
-           "be done in a read-only mode";
+           "NOT be done in a read-only mode";
   case MDBX_EKEYMISMATCH:
     return "MDBX_EKEYMISMATCH: The given key value is mismatched to the "
            "current cursor position";