diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index b69c74fa7..e475adf8c 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -2666,7 +2666,10 @@ void CheckOther::selfAssignmentError(const Token *tok, const std::string &varnam
 void CheckOther::assignmentInAssertError(const Token *tok, const std::string &varname)
 {
     reportError(tok, Severity::warning,
-                "assignmentInAssert", "Assert statement modifies '" + varname + "'. If the modification is needed in release builds there is a bug.");
+                "assignmentInAssert", "Assert statement modifies '" + varname + "'.\n"
+                "Assert statements are removed from release builds so the code inside "
+                "assert statement is not run. If the code is needed also in release "
+                "builds this is a bug.");
 }
 
 void CheckOther::incorrectLogicOperatorError(const Token *tok)
diff --git a/test/testother.cpp b/test/testother.cpp
index 74087c9f9..5691aedd1 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -1336,7 +1336,7 @@ private:
               "    return a;\n"
               "}\n"
              );
-        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'. If the modification is needed in release builds there is a bug.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'.\n", errout.str());
 
         check("void f() {\n"
               "    int a = 0;\n"
@@ -1353,7 +1353,7 @@ private:
               "    return a;\n"
               "}\n"
              );
-        ASSERT_EQUALS("[test.cpp:4]: (warning) Assert statement modifies 'b'. If the modification is needed in release builds there is a bug.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:4]: (warning) Assert statement modifies 'b'.\n", errout.str());
 
         check("void f() {\n"
               "    int a = 0;\n"
@@ -1361,7 +1361,7 @@ private:
               "    return a;\n"
               "}\n"
              );
-        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'. If the modification is needed in release builds there is a bug.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'.\n", errout.str());
 
         check("void f() {\n"
               "    int a = 0;\n"
@@ -1369,7 +1369,7 @@ private:
               "    return a;\n"
               "}\n"
              );
-        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'. If the modification is needed in release builds there is a bug.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'.\n", errout.str());
 
         check("void f() {\n"
               "    int a = 0;\n"
@@ -1377,7 +1377,7 @@ private:
               "    return a;\n"
               "}\n"
              );
-        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'. If the modification is needed in release builds there is a bug.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'.\n", errout.str());
 
         check("void f() {\n"
               "    int a = 0;\n"
@@ -1385,7 +1385,7 @@ private:
               "    return a;\n"
               "}\n"
              );
-        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'. If the modification is needed in release builds there is a bug.\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (warning) Assert statement modifies 'a'.\n", errout.str());
     }
 
     void incorrectLogicOperator()