diff --git a/cw/07_regresja_liniowa.ipynb b/cw/07_regresja_liniowa.ipynb
index 036768c..f7fb8c3 100644
--- a/cw/07_regresja_liniowa.ipynb
+++ b/cw/07_regresja_liniowa.ipynb
@@ -457,28 +457,28 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/1.png)"
+    "![regresja liniowa 1](obrazki/1.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/2.png)"
+    "![regresja liniowa 2](obrazki/2.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/3.png)"
+    "![regresja liniowa 3](obrazki/3.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/4.png)"
+    "![regresja liniowa 4](obrazki/4.png)"
    ]
   },
   {
@@ -573,14 +573,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/6.png)"
+    "![RMSE 2](obrazki/6.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/5.png)"
+    "![RMSE 2](obrazki/5.png)"
    ]
   },
   {
@@ -1029,9 +1029,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/9.png)\n",
+    "![RMSE 3](obrazki/9.png)\n",
     "\n",
-    "![a](obrazki/10.png)"
+    "![RMSE 4](obrazki/10.png)"
    ]
   },
   {
diff --git a/cw/07_regresja_liniowa_ODPOWIEDZI.ipynb b/cw/07_regresja_liniowa_ODPOWIEDZI.ipynb
index 5408470..87f0c09 100644
--- a/cw/07_regresja_liniowa_ODPOWIEDZI.ipynb
+++ b/cw/07_regresja_liniowa_ODPOWIEDZI.ipynb
@@ -456,28 +456,28 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/1.png)"
+    "![regresja liniowa 1](obrazki/1.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/2.png)"
+    "![regresja liniowa 2](obrazki/2.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/3.png)"
+    "![regresja liniowa 3](obrazki/3.png)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/4.png)"
+    "![regresja liniowa 4](obrazki/4.png)"
    ]
   },
   {
@@ -616,7 +616,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/6.png)"
+    "![RMSE 1](obrazki/6.png)"
    ]
   },
   {
@@ -791,9 +791,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/7.png)\n",
+    "![RMSE 2](obrazki/7.png)\n",
     "\n",
-    "![a](obrazki/8.png)\n",
+    "![RMSE 3](obrazki/8.png)\n",
     "\n"
    ]
   },
@@ -1337,9 +1337,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "![a](obrazki/9.png)\n",
+    "![RMSE 5](obrazki/9.png)\n",
     "\n",
-    "![a](obrazki/10.png)"
+    "![6](obrazki/10.png)"
    ]
   },
   {