diff --git a/cores/esp8266/WString.cpp b/cores/esp8266/WString.cpp
index 2fea3bfaf6..d833509a11 100644
--- a/cores/esp8266/WString.cpp
+++ b/cores/esp8266/WString.cpp
@@ -182,7 +182,7 @@ bool String::changeBuffer(unsigned int maxStrLen) {
 #ifdef DEBUG_ESP_OOM
     if (!isSSO() && capacity() >= OOM_STRING_THRESHOLD_REALLOC_WARN && maxStrLen > capacity()) {
         // warn when badly re-allocating
-        DEBUGV("[offending String op %d->%d ('%." STR(OOM_STRING_BORDER_DISPLAY) "s ... %." STR(OOM_STRING_BORDER_DISPLAY) "s')]\n",
+        DEBUGV("[String] Reallocating large String(%d -> %d bytes) '%." STR(OOM_STRING_BORDER_DISPLAY) "s ... %." STR(OOM_STRING_BORDER_DISPLAY) "s'\n",
             len(), maxStrLen, c_str(),
             len() > OOM_STRING_BORDER_DISPLAY? c_str() + std::max((int)len() - OOM_STRING_BORDER_DISPLAY, OOM_STRING_BORDER_DISPLAY): "");
     }