diff --git a/jetplot/chart_utils.py b/jetplot/chart_utils.py
index 1f566e3..43fdcf3 100644
--- a/jetplot/chart_utils.py
+++ b/jetplot/chart_utils.py
@@ -194,7 +194,7 @@ def yclamp(y0=None, y1=None, dt=None, **kwargs):
     new_ticks = np.arange(dt * np.floor(y0 / dt), dt * (np.ceil(y1 / dt) + 1), dt)
     ax.set_yticks(new_ticks)
     ax.set_yticklabels(new_ticks)
-    ax.set_ylim(new_ticks[0], new_ticks[1])
+    ax.set_ylim(new_ticks[0], new_ticks[-1])
 
     return ax
 
@@ -211,6 +211,6 @@ def xclamp(x0=None, x1=None, dt=None, **kwargs):
     new_ticks = np.arange(dt * np.floor(x0 / dt), dt * (np.ceil(x1 / dt) + 1), dt)
     ax.set_xticks(new_ticks)
     ax.set_xticklabels(new_ticks)
-    ax.set_xlim(new_ticks[0], new_ticks[1])
+    ax.set_xlim(new_ticks[0], new_ticks[-1])
 
     return ax
diff --git a/jetplot/images.py b/jetplot/images.py
index 01a0bb2..7c74928 100644
--- a/jetplot/images.py
+++ b/jetplot/images.py
@@ -57,7 +57,7 @@ def img(
             cmap = "viridis"
     elif mode == "cov":
         vmin, vmax, cmap, cbar = 0, 1, "viridis", True
-    elif mode == "cov":
+    elif mode == "corr":
         vmin, vmax, cmap, cbar = -1, 1, "seismic", True
     else:
         raise ValueError("Unrecognized mode: '" + mode + "'")