diff --git a/lang/bg/create_graph_by_edge_list.php b/lang/bg/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/bg/create_graph_by_edge_list.php
+++ b/lang/bg/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/ch/create_graph_by_edge_list.php b/lang/ch/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/ch/create_graph_by_edge_list.php
+++ b/lang/ch/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/cs/create_graph_by_edge_list.php b/lang/cs/create_graph_by_edge_list.php
index f53ecd8..42069fb 100644
--- a/lang/cs/create_graph_by_edge_list.php
+++ b/lang/cs/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@ $g_lang['ex_pair_forma_description'] = "Pomocí rozšířeného formátu můžet
         <ul>
             <li><b>a-b</b> - hrana mezi vrcholy <b>a</b> a <b>b</b>.</li>
             <li><b>a>b</b> - orientovaná hrana z vrcholu <b>a</b> do vrcholu <b>b</b>.</li>
-            <li><b>a&lt;b</b> - orientovaná hrana z vrcholu <b>a</b> do vrcholu <b>b</b>.</li>
+            <li><b>a&lt;b</b> - orientovaná hrana z vrcholu <b>b</b> do vrcholu <b>a</b>.</li>
             <li><b>a-(8)-b</b> - ohodnocená hrana mezi vrcholy <b>a</b> a <b>b</b> s váhou <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - orientovaná hrana z vrcholu <b>a</b> do vrcholu <b>b</b> s váhou <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - orientovaná hrana z vrcholu <b>b</b> do vrcholu <b>a</b> s váhou <b>1</b>.</li>
diff --git a/lang/de/create_graph_by_edge_list.php b/lang/de/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/de/create_graph_by_edge_list.php
+++ b/lang/de/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/el/create_graph_by_edge_list.php b/lang/el/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/el/create_graph_by_edge_list.php
+++ b/lang/el/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/es/create_graph_by_edge_list.php b/lang/es/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/es/create_graph_by_edge_list.php
+++ b/lang/es/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/fr/create_graph_by_edge_list.php b/lang/fr/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/fr/create_graph_by_edge_list.php
+++ b/lang/fr/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/nl/create_graph_by_edge_list.php b/lang/nl/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/nl/create_graph_by_edge_list.php
+++ b/lang/nl/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>
diff --git a/lang/pl/create_graph_by_edge_list.php b/lang/pl/create_graph_by_edge_list.php
index d444fe4..ddc9681 100644
--- a/lang/pl/create_graph_by_edge_list.php
+++ b/lang/pl/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - krawędź pomiędzy <b>a</b> i <b>b</b>.</li>                                
             <li><b>a>b</b> - skierowana krawędź z <b>a</b> do <b>b</b>.</li>
-            <li><b>a&lt;b</b> - skierowana krawędź z <b>a</b> do <b>b</b>. </li>
+            <li><b>a&lt;b</b> - skierowana krawędź z <b>b</b> do <b>a</b>. </li>
             <li><b>a-(8)-b</b> - krawędź z wagą pomiędzy <b>a</b> i <b>b</b> o wadze <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - skierowana krawędź z <b>a</b> do <b>b</b> o wadze <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - skierowana krawędź z <b>b</b> do <b>a</b> o wadze <b>1</b>.</li>
diff --git a/lang/pt/create_graph_by_edge_list.php b/lang/pt/create_graph_by_edge_list.php
index 6cbdbf3..c97ac2c 100644
--- a/lang/pt/create_graph_by_edge_list.php
+++ b/lang/pt/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - aresta entre <b>a</b> e <b>b</b>.</li>                                
             <li><b>a>b</b> - aresta direcionada de <b>a</b> a <b>b</b>.</li>
-            <li><b>a&lt;b</b> - aresta direcionada de <b>a</b> a <b>b</b>. </li>
+            <li><b>a&lt;b</b> - aresta direcionada de <b>b</b> a <b>a</b>. </li>
             <li><b>a-(8)-b</b> - aresta valorada entre <b>a</b> e <b>b</b> com peso <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - aresta direcionada de <b>a</b> a <b>b</b> com peso <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - aresta direcionada de <b>b</b> a <b>a</b> com peso <b>1</b>.</li>
diff --git a/lang/sv/create_graph_by_edge_list.php b/lang/sv/create_graph_by_edge_list.php
index c640290..9dbf2ac 100644
--- a/lang/sv/create_graph_by_edge_list.php
+++ b/lang/sv/create_graph_by_edge_list.php
@@ -10,7 +10,7 @@
         <ul>
             <li><b>a-b</b> - edge between <b>a</b> and <b>b</b>.</li>                                
             <li><b>a>b</b> - directed edge from <b>a</b> to <b>b</b>.</li>
-            <li><b>a&lt;b</b> - directed edge from <b>a</b> to <b>b</b>. </li>
+            <li><b>a&lt;b</b> - directed edge from <b>b</b> to <b>a</b>. </li>
             <li><b>a-(8)-b</b> - weighted edge between <b>a</b> and <b>b</b> with weigth <b>8</b>.</li>
             <li><b>a-(3.5)>b</b> - directed edge from <b>a</b> to <b>b</b> with weight <b>3.5</b>.</li>
             <li><b>a<(1)-b</b> - directed edge from <b>b</b> to <b>a</b> with weight <b>1</b>.</li>