diff --git a/MQL5/Include/Math/AOs/PopulationAO/#C_AO_enum.mqh b/MQL5/Include/Math/AOs/PopulationAO/#C_AO_enum.mqh
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diff --git a/MQL5/Include/Math/AOs/PopulationAO/AO_AOA_ArithmeticOptimizationAlgorithm.mqh b/MQL5/Include/Math/AOs/PopulationAO/AO_AOA_ArithmeticOptimizationAlgorithm.mqh
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diff --git a/MQL5/Include/Math/AOs/PopulationAO/AO_SOA_SimpleOptimizationAlgorithm.mqh b/MQL5/Include/Math/AOs/PopulationAO/AO_SOA_SimpleOptimizationAlgorithm.mqh
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diff --git a/MQL5/Include/Math/AOs/PopulationAO/links.html b/MQL5/Include/Math/AOs/PopulationAO/links.html
index b7e5338..25bcc73 100644
--- a/MQL5/Include/Math/AOs/PopulationAO/links.html
+++ b/MQL5/Include/Math/AOs/PopulationAO/links.html
@@ -39,7 +39,7 @@
             position: fixed;
             border-radius: 50%;
             box-shadow: 0 0 10px rgba(0,0,0,0.5);
-            z-index: 9999;
+            z-index: -1;
         }
     </style>
 </head>
@@ -78,6 +78,7 @@
         <tr><td>AEO</td><td><a href="https://www.mql5.com/ru/articles/16058" target="_blank">artificial ecosystem-based optimization algorithm</a></td></tr>
         <tr><td>ACOm</td><td><a href="https://www.mql5.com/ru/articles/11602" target="_blank">ant colony optimization M</a></td></tr>
         <tr><td>BFO-GA</td><td><a href="https://www.mql5.com/ru/articles/14011" target="_blank">bacterial foraging optimization - genetic algorithm</a></td></tr>
+        <tr><td>SOA</td><td><a href="https://www.mql5.com/ru/articles/16364#tag3" target="_blank">simple optimization algorithm</a></td></tr>
         <tr><td>ABHA</td><td><a href="https://www.mql5.com/ru/articles/15347" target="_blank">artificial bee hive algorithm</a></td></tr>
         <tr><td>ACMO</td><td><a href="https://www.mql5.com/ru/articles/15921" target="_blank">atmospheric cloud model optimization</a></td></tr>
         <tr><td>ASHA</td><td><a href="https://www.mql5.com/ru/articles/15980" target="_blank">artificial showering algorithm</a></td></tr>
@@ -103,6 +104,7 @@
         <tr><td>FSS</td><td><a href="https://www.mql5.com/ru/articles/11841" target="_blank">fish school search</a></td></tr>
         <tr><td>RND</td><td><a href="https://www.mql5.com/ru/articles/8122" target="_blank">random</a></td></tr>
         <tr><td>GWO</td><td><a href="https://www.mql5.com/ru/articles/11785" target="_blank">grey wolf optimizer</a></td></tr>
+        <tr><td>AOA</td><td><a href="https://www.mql5.com/ru/articles/16364" target="_blank">arithmetic optimization algorithm</a></td></tr>
         <tr><td>CSS</td><td><a href="https://www.mql5.com/ru/articles/13662" target="_blank">charged system search</a></td></tr>
         <tr><td>EM</td><td><a href="https://www.mql5.com/ru/articles/12352" target="_blank">electroMagnetism-like algorithm</a></td></tr>
     </table>
diff --git a/README.md b/README.md
index e8481ca..fba8e40 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,8 @@ ABO (african buffalo optimization)
 TSm (tabu search M)               
 BSO (brain storm optimization)               
 WOAm (wale optimization algorithm M)  
-AEFA (artificial electric field algorithm)         
+AEFA (artificial electric field algorithm)
+SOA (simple optimization algorithm)         
 ABHA (artificial bee hive algorithm)        
 ACMO (atmospheric cloud model optimization)                  
 ASHA (artificial showering algorithm)                  
@@ -31,5 +32,6 @@ ASBO (adaptive social behavior optimization)
 COAm (cuckoo optimization algorithm M)               
 AAA (artificial algae algorithm)                           
 Boids (boids algorithm)               
-GWO (grey wolf optimizer)   
+GWO (grey wolf optimizer)  
+AOA (arithmetic optimization algorithm)        
 BGA (binary genetic algorithm)