diff --git a/docs/en/api-reference/system/ulp-lp-core.rst b/docs/en/api-reference/system/ulp-lp-core.rst
index cc131a1a80..432755e4dd 100644
--- a/docs/en/api-reference/system/ulp-lp-core.rst
+++ b/docs/en/api-reference/system/ulp-lp-core.rst
@@ -97,6 +97,10 @@ To access the ULP LP-Core program variables from the main program, the generated
         ulp_measurement_count = 64;
     }
 
+.. note::
+
+   Variables declared in the global scope of the LP-Core program reside in either the ``.bss`` or ``.data`` section of the binary. These sections are initialized when the LP-Core binary is loaded and executed. Accessing these variables from the main program on the HP-Core before the first LP-Core run may result in undefined behavior.
+
 
 Starting the ULP LP-Core Program
 --------------------------------
diff --git a/docs/en/api-reference/system/ulp-risc-v.rst b/docs/en/api-reference/system/ulp-risc-v.rst
index 377ab15150..7b78fca499 100644
--- a/docs/en/api-reference/system/ulp-risc-v.rst
+++ b/docs/en/api-reference/system/ulp-risc-v.rst
@@ -103,6 +103,11 @@ To access the ULP RISC-V program variables from the main program, the generated
         ulp_measurement_count = 64;
     }
 
+.. note::
+
+   Variables declared in the global scope of the ULP RISC-V program reside in either the ``.bss`` or ``.data`` section of the binary. These sections are initialized when the ULP RISC-V binary is loaded and executed. Accessing these variables from the main program on the main CPU before the first ULP RISC-V run may result in undefined behavior.
+
+
 Mutual Exclusion
 ^^^^^^^^^^^^^^^^